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Fulfillment From Multiple U.S. Warehouses
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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Valve Springs, Retainers
Valve springs and retainers are the heartbeat of your engine's valvetrain, controlling valve movement and ensuring reliable high-RPM performance. Whether you're refreshing a stock head, upgrading for a more aggressive cam, or building a full-race engine, choosing the correct spring and retainer combination is critical to prevent valve float, maintain seat pressure, and protect your investment.
Our collection covers everything OEM-replacement springs to high-rate dual and beehive designs, paired with durable steel or lightweight titanium retainers. Each component is selected from proven manufacturers to deliver consistent spring rates, proper installed height, and long service life.
- Spring types: single, dual, beehive, conical
- Materials: chromoly steel, PAC alloy, titanium retainers
- Matching retainers, locks, and seals available
- Applications from mild street to full competition
When selecting, consider your camshaft lift and ramp rate, target RPM, and valve weight. Our team can help you match the right spring rate and coil bind clearance for your setup.
306 products
306 products
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This Supertech 12.15mm diameter cam follower shim is engineered for precise valve lash adjustment in performance valvetrains. Designed for use in engines with solid lifter conversions or bucket-style followers, such as the Nissan RB26, these shims allow for exact clearances necessary to maintain camshaft profile accuracy and engine reliability.
- Diameter: 12.15mm
- Thickness: 2.55mm
- Manufacturer Part Number: RB26-SHIM-2.55
- Material: Precision-ground, high-strength steel for maximum durability and wear resistance
- Application: Essential for setting valve clearances after camshaft installation or valvetrain service
This Supertech precision-ground cam follower shim is engineered for high-performance valvetrain configurations requiring exact valve lash adjustments. Manufactured from high-strength steel, these shims are designed to withstand the significant mechanical stresses of high-RPM operation and aggressive camshaft profiles.
Each shim is ground to precise tolerances to ensure consistent valvetrain geometry and reliable performance. Proper valve clearance is critical for maximizing power output and preventing premature wear on camshaft lobes and followers.
- Diameter: 12.15mm
- Thickness: 2.5mm
- Material: High-strength steel alloy
- Finish: Precision ground for accurate tolerances
- Manufacturer Part Number: RB26-SHIM-2.50
This Supertech cam follower shim is engineered for precise valvetrain adjustment, ensuring your camshaft profiles operate within exact tolerances. These shims are critical for setting correct valve lash, which is essential for maintaining engine performance, optimizing lift, and preventing premature wear on high-performance valvetrain components.
- Diameter: 12.15mm
- Thickness: 2.20mm
- Material: High-strength hardened steel construction to resist deformation under high RPMs
- Function: Precise valve lash adjustment for overhead cam cylinder heads
- Manufacturer Part Number: RB26-SHIM-2.20
Precision-ground to the stated 2.2mm thickness, this shim provides a reliable solution for engine builders seeking to achieve perfect clearance in performance applications.
Achieve precise valve lash and maintain optimal valvetrain geometry with this Supertech precision-ground cam follower shim. Designed for high-performance engines utilizing shim-over-bucket or shim-under-bucket lifter setups, these shims allow technicians to set the exact clearance between the camshaft lobe and the follower for improved longevity and performance.
Each shim is manufactured from high-strength steel and ground to exacting tolerances to ensure perfectly parallel surfaces and consistent thickness. This is critical for preventing uneven wear on the camshaft and ensuring stable valve timing, especially in high-RPM applications or builds with aggressive cam profiles.
- Diameter: 12.15mm
- Thickness: 2.10mm
- Material: Precision-ground hardened steel
- Manufacturer Part Number: RB26-SHIM-2.10
- Essential for accurate valve lash adjustment during cylinder head assembly
Maintain valvetrain stability and eliminate unnecessary noise in your Honda B-Series VTEC engine with the Supertech Lost Motion Assembly (LMA) Beehive Spring Kit. This kit is engineered to provide constant, reliable pressure against the high-cam rocker arms when the VTEC system is not engaged, preventing the rockers from floating or rattling during operation.
Featuring an upgraded beehive spring design, these assemblies offer superior harmonic resistance and durability over the original piston-style units. They are a critical replacement for high-mileage engines or performance builds where valvetrain precision is paramount to prevent component wear and ensure smooth engine performance across the RPM range.
- Fits Honda B16 and B18C VTEC cylinder heads
- Advanced beehive spring design for improved stability and reduced mass
- Eliminate rocker arm chatter and "lost motion" noise
- Direct replacement for factory LMA components
- Manufacturer Part Number: LMA-HB
Ensure precise valve lash adjustment with this Supertech cam follower shim. Designed for performance valvetrain setups, these shims are engineered to achieve the exact clearances required for optimal camshaft lift and valvetrain geometry. Each shim is precision-ground from high-grade materials to withstand high-RPM operation and maintain consistent tolerances under heavy thermal loads.
- Manufacturer Part Number: CF-SHIM-2.80
- Diameter: 8mm
- Thickness: 2.80mm
- Component Type: Valvetrain Shim
Ensure precise valvetrain geometry and accurate valve lash with this Supertech Cam Follower Shim. Engineered for high-performance engine building, these shims allow for fine-tuned adjustments between the camshaft and the follower to maintain optimal engine performance and prevent premature wear.
This 8mm diameter shim is precision-ground from high-quality materials to withstand the high-RPM and high-load conditions found in performance cylinder heads. It is a critical component for achieving the exact tolerances required for stable valvetrain operation.
- Manufacturer Part Number: CF-SHIM-2.75
- Diameter: 8mm
- Thickness: 2.75mm
- Application: Cam follower valve lash adjustment
- Material: High-strength hardened steel
Achieving precise valve lash is critical for optimizing engine performance and ensuring valvetrain longevity. This Supertech Cam Follower Shim is engineered to provide exact clearance adjustment for engines utilizing 8mm diameter shim-under-bucket or shim-over-bucket lifter configurations.
Each shim is manufactured from high-strength hardened steel and precision-ground to exacting tolerances. This ensures a perfectly flat and durable surface capable of withstanding the high-pressure environment of high-RPM valvetrains. These are essential components for any cylinder head rebuild or performance camshaft installation where factory tolerances must be strictly maintained.
- Manufacturer Part Number: CF-SHIM-2.70
- Diameter: 8mm
- Thickness: 2.70mm
- Material: Hardened steel alloy for maximum wear resistance
- Application: Fits Supertech and compatible 8mm cam followers and buckets
Precision-engineered for high-performance valvetrains, this Supertech cam follower shim allows for exact valve lash adjustment in engines utilizing bucket-style followers or solid lifters. Maintaining proper lash is critical for optimizing camshaft profile performance and ensuring valvetrain longevity under high-RPM conditions.
Each shim is manufactured to exacting tolerances and precision-ground to ensure perfectly flat surfaces, preventing uneven wear on the follower or cam lobe. This individual shim is an essential component for engine builders seeking to dial in valvetrain geometry with professional-grade accuracy.
- Manufacturer Part Number: CF-SHIM-2.65
- Shim Diameter: 8mm
- Shim Thickness: 2.65mm
- Application: Compatible with valvetrain systems requiring 8mm diameter shims
- Design: Precision-ground for accurate thickness and surface finish
Precision-engineer your valve train clearance with this Supertech Cam Follower Shim. Designed for overhead cam engines utilizing 8mm diameter shims, this component is critical for setting exact valve lash after performing head work, installing new valves, or upgrading to high-performance camshafts. Maintaining proper clearance ensures optimal engine performance and prevents premature wear on the camshaft lobes and followers.
- Diameter: 8mm
- Thickness: 2.55mm
- Manufacturer Part Number: CF-SHIM-2.55
- Precision ground for consistent thickness and durability
- Essential for accurate valve lash adjustment
Maintain precise valvetrain lash and engine timing with this Supertech 8mm diameter cam follower shim. These shims are engineered for use in overhead cam engines using bucket-style followers, providing the necessary thickness to set valve clearances to exact specifications. Precision-ground to ensure consistent thickness across the entire diameter, they are a critical component for both factory rebuilds and high-performance valvetrain assemblies.
- Product Type: Cam Follower Shim
- Manufacturer Part Number: CF-SHIM-2.50
- Diameter: 8mm
- Thickness: 2.50mm
- Material: Hardened steel construction for wear resistance
- Function: Accurate adjustment of valve tip-to-camshaft clearance
This Supertech cam follower shim is engineered for precise valve lash adjustment in high-performance valvetrains. Designed to fit 8mm diameter applications, these shims provide the necessary clearance control required when installing performance camshafts, valves, or seats to ensure optimal engine timing and valvetrain longevity.
- Manufacturer Part Number: CF-SHIM-2.45
- Diameter: 8mm
- Thickness: 2.45mm
- Application: Valve lash/clearance adjustment for shim-style cam followers
- Precision ground for consistent thickness and flat engagement
Ensure precise valve lash adjustment with the Supertech Cam Follower Shim (CF-SHIM-2.40). Designed for high-performance overhead cam (OHC) valvetrains, these shims are essential components for maintaining correct clearances after performing a valve job or installing aftermarket camshafts.
Each shim is manufactured from high-grade, hardened steel and precision-ground to exacting tolerances. This ensures consistent surface contact and exceptional durability under high-stress, high-RPM conditions. Proper valvetrain shimming is critical to preventing premature wear on camshaft lobes and followers while maintaining optimal engine timing and performance.
- Diameter: 8mm
- Thickness: 2.40mm
- Material: Precision-ground hardened steel
- Manufacturer Part Number: CF-SHIM-2.40
- Application: Used for valve lash calibration in compatible 8mm shim-over-bucket or shim-under-bucket lifter setups
Achieve precise valvetrain clearance with the Supertech Cam Follower Shim (CF-SHIM-2.35). Designed for high-performance engines requiring exact valve lash settings, this 8mm diameter shim allows technicians and engine builders to maintain optimal cam-to-bucket contact, ensuring consistent timing and engine efficiency.
Manufactured to rigorous tolerances, each shim provides a durable, wear-resistant surface capable of withstanding the high-stress environment of the cylinder head. These are essential components for any valvetrain service where shim-under-bucket or shim-over-bucket adjustments are required.
- Diameter: 8mm
- Thickness: 2.35mm
- Manufacturer Part Number: CF-SHIM-2.35
- Construction: Precision-ground for thickness accuracy
- Function: Replaces worn or incorrect shims to set proper valve lash
Maintain precise valve lash and ensure optimal valvetrain performance with this Supertech cam follower shim. Designed for high-performance engines, these shims allow for exact clearance adjustments between the camshaft and the follower, which is critical for preventing premature component wear and maintaining engine timing accuracy.
Manufactured to exacting tolerances, this 8mm shim provides the stability and reliability required for high-RPM operation. These shims are an essential component for any precision cylinder head build where factory tolerances must be perfectly matched or adjusted for aftermarket camshaft profiles.
- Manufacturer Part Number: CF-SHIM-2.25
- Diameter: 8.00mm
- Thickness: 2.25mm
- Application: Fits 8mm diameter cam follower systems
- Material: High-strength steel alloy for durability
Achieve precise valve lash and maintain valvetrain stability with this Supertech Cam Follower Shim. Designed for engines utilizing shim-adjustable followers, these components are essential for fine-tuning the clearance between the camshaft and the valve to ensure optimal performance and prevent premature wear.
Manufactured from high-strength, hardened steel and ground to exacting tolerances, this 8mm diameter shim provides the flat, parallel surfaces required for reliable operation in high-RPM environments. Whether you are performing a routine valve adjustment or a complete cylinder head build, Supertech shims offer the durability needed for high-lift and high-stress applications.
- Diameter: 8mm
- Thickness: 2.20mm
- Manufacturer Part Number: CF-SHIM-2.20
- Precision ground for consistent thickness and flatness
- Constructed from hardened material for superior wear resistance
Maintain precise valvetrain tolerances with this Supertech cam follower shim. Designed for overhead cam (OHC) engines utilizing an 8mm diameter shim-under-bucket or shim-over-bucket configuration, this component is essential for accurate valve lash adjustment. Each shim is precision-ground to ensure consistent thickness and surface finish, providing a reliable contact point between the camshaft and the follower.
- Diameter: 8mm
- Thickness: 2.15mm
- Manufacturer Part Number: CF-SHIM-2.15
- Application: Valve lash adjustment for 8mm shim buckets
- Construction: Precision-ground high-strength steel
Achieve precise valve lash settings with this Supertech cam follower shim. Engineered for high-performance valvetrains, these shims allow for exact clearance adjustments between the camshaft and valve assembly, ensuring optimal engine timing and reduced mechanical wear during operation.
- Manufacturer Part Number: CF-SHIM-2.10
- Diameter: 8mm
- Thickness: 2.10mm
- Function: Precise valve lash adjustment for shim-under-bucket or specific cam follower configurations
Each Supertech shim is precision-ground to maintain tight tolerances, providing a stable contact surface even under high-RPM conditions. These are essential components for engine builders and technicians performing cylinder head service, cam swaps, or valvetrain overhauls where exact clearances are critical.
Ensure precise valve lash adjustment with this Supertech cam follower shim. Designed for high-performance valvetrains, these shims allow engine builders to set exact clearances between the camshaft and the follower. Maintaining proper lash is critical for optimizing engine timing, maximizing lift, and preventing premature wear on valvetrain components.
Constructed to handle the high-stress environments of racing and high-RPM street engines, this shim provides the consistency needed for reliable valvetrain geometry.
- Manufacturer Part Number: CF-SHIM-2.05
- Shim Diameter: 8mm
- Shim Thickness: 2.05mm
- Designed for precise valvetrain clearance and lash adjustment
Achieve precise valve lash settings with this Supertech Cam Follower Shim. Designed for high-performance valvetrain configurations, these shims allow technicians and engine builders to fine-tune the clearance between the camshaft and the follower. Maintaining proper valve lash is critical for optimizing engine timing, maximizing lift, and preventing premature wear on valvetrain components.
Each shim is manufactured from high-strength alloy and precision-ground to ensure consistent thickness and a perfectly flat surface, meeting the tight tolerances required for high-RPM operation. This 8mm diameter shim is a direct replacement or adjustment component for compatible valvetrain setups.
- Diameter: 8mm
- Thickness: 2.00mm
- Material: High-strength precision-ground steel alloy
- Application: Cam follower valve lash adjustment
- Manufacturer Part Number: CF-SHIM-2.00
The Supertech CF-SHIM-1.90 is a precision-engineered cam follower shim designed for critical valvetrain lash adjustment. These 8mm diameter shims are manufactured to exacting tolerances, ensuring consistent contact and wear resistance in high-performance racing and street engines.
Proper valve lash is essential for maintaining camshaft profile accuracy, optimizing engine timing, and preventing premature component wear. This shim allows engine builders to achieve the specific clearances required for solid lifter setups or custom valvetrain configurations where precision is paramount.
- Diameter: 8mm
- Thickness: 1.90mm
- Material: High-strength, precision-ground steel alloy
- Application: Valvetrain lash adjustment
- Manufacturer Part Number: CF-SHIM-1.90
Maintain precise valvetrain lash with this Supertech Cam Follower Shim. Designed for high-performance engines where exacting clearances are required, these shims allow tuners and builders to set the correct gap between the camshaft and the follower for optimal valve lift and timing accuracy. Manufactured from high-strength materials, they are built to withstand the stresses of high-RPM operation without deformation.
- Manufacturer Part Number: CF-SHIM-1.85
- Diameter: 8mm
- Thickness: 1.85mm
- Function: Precise valve lash adjustment for bucket-over-shim or shim-under-bucket valvetrain setups
- Material: Hardened alloy construction for maximum durability
This Supertech precision cam follower shim is engineered for accurate valve lash adjustment in high-performance valvetrains. Manufactured to exacting tolerances, these shims are critical for maintaining proper engine timing and component longevity by ensuring correct clearance between the camshaft and the follower.
Built from high-grade materials to resist wear and deformation under high-stress racing conditions, this shim allows for the precise tuning required when installing aftermarket cams or performing cylinder head refreshes.
- Diameter: 8mm
- Thickness: 1.80mm
- Application: Valve lash adjustment for compatible 8mm cam followers
- Part Number: CF-SHIM-1.80
Achieve precise valve lash settings with this Supertech Performance cam follower shim. Engineered for overhead cam (OHC) engines utilizing 8mm diameter followers, these shims allow for exact clearances between the camshaft lobe and the lifter, ensuring optimal valvetrain geometry and engine performance.
Each shim is manufactured to exacting tolerances from high-strength, hardened steel to resist wear and deformation under high-RPM and heavy-load conditions. Whether you are performing a routine valve adjustment or a full cylinder head rebuild, Supertech shims provide the consistency required for professional-grade engine assembly.
- Manufacturer Part Number: CF-SHIM-1.75
- Diameter: 8mm
- Thickness: 1.75mm
- Material: Hardened steel alloy
- Function: Precise valve lash adjustment for 8mm followers
This Supertech cam follower shim is a precision valvetrain component engineered for accurate valve lash adjustment. Designed to withstand the high-stress environment of a performance cylinder head, this 8mm diameter shim allows engine builders to achieve exact clearances between the camshaft and follower for optimal timing and lift.
- Manufacturer Part Number: CF-SHIM-1.70
- Diameter: 8mm
- Thickness: 1.70mm
- Application: Valvetrain lash adjustment for 8mm shim-style followers
- Material: High-strength alloy steel construction for durability under high RPMs
Precision-engineer your engine's valvetrain lash with this Supertech Cam Follower Shim. Designed for high-performance cylinder heads, these shims allow for exact clearance adjustments between the camshaft and follower, ensuring optimal timing and reduced mechanical wear on critical top-end components.
Manufactured from high-strength materials and ground to exacting tolerances, these 8mm diameter shims are built to withstand the stresses of high-lift camshafts and increased RPM ranges. They are an essential component for professional engine builders and enthusiasts performing a top-end refresh or custom valvetrain setup where precise tolerances are mandatory.
- Manufacturer Part Number: CF-SHIM-1.65
- Shim Diameter: 8mm
- Shim Thickness: 1.65mm
- Application: Compatible with 8mm cam-over-bucket valvetrain systems
- Material: High-strength, precision-ground steel
Fits select 2002-2012 Subaru Impreza WRX and WRX STI, and 2005-2006 Saab 9-2X Aero.
The Manley Performance Valve Spring and Retainer Kit provides the valvetrain stability required for high-lift, high-RPM applications. Designed to replace worn OE components or complement aggressive aftermarket camshafts, this kit ensures consistent valve control up to 10,000 RPM. The springs are wound from premium chrome-silicon alloy for maximum fatigue resistance, while the titanium retainers offer a significant reduction in reciprocating mass compared to steel alternatives.
- Chrome-Silicon Alloy Springs: Engineered for high-tensile strength and durability under extreme racing conditions.
- Titanium Retainers: Heat-treated aerospace-grade titanium, CNC-machined to exacting tolerances.
- Performance Rated: Designed to handle high-lift camshafts and engine speeds up to 10,000 RPM.
- Comprehensive Set: Includes 16 valve springs and 16 titanium retainers.
- Part Number: 26180 (Note: This specific kit does not include valve locks).
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2006 | Saab | 9-2X | Aero |
| 2002-2012 | Subaru | Impreza | WRX |
| 2006-2007,2010-2012 | Subaru | Impreza | WRX Limited |
| 2009-2012 | Subaru | Impreza | WRX Premium |
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2006-2007 | Subaru | Impreza | WRX TR |
Fits select 2002-2012 Subaru Impreza WRX, WRX STI, and 2005-2006 Saab 9-2X Aero.
Engineered specifically for high-revving sport compact applications, these Manley valve springs provide the essential valvetrain stability required for high-boost and high-RPM environments. Wound from premium, super-clean alloy, these springs are designed to handle the increased lift of aftermarket camshafts while maintaining consistent seat and open pressures. When paired with Manley titanium retainers, these springs are capable of supporting engine speeds up to 10,000 RPM, preventing valve float and ensuring reliable performance in both turbocharged and naturally aspirated builds.
- Manufacturer Part Number: 22180-16
- Quantity: Set of 16 springs
- Spring Dimensions: 1.050in / .755in
- Compatible with Manley 23180-16 Retainers (required for installation)
- Wound from high-grade, super-clean alloy for maximum durability
- Supports up to 10,000 RPM with appropriate titanium retainers
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2006 | Saab | 9-2X | Aero |
| 2002-2012 | Subaru | Impreza | WRX |
| 2006-2007,2010-2012 | Subaru | Impreza | WRX Limited |
| 2009-2012 | Subaru | Impreza | WRX Premium |
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2006-2007 | Subaru | Impreza | WRX TR |
Fits 1993-2001 Honda Prelude Base, Type SH, and VTEC models equipped with H-Series engines.
The Skunk2 Alpha Series Valve Spring and Titanium Retainer Kit is engineered to provide the valvetrain stability required for high-performance H-Series builds. These dual valve springs are designed to prevent valve float and bounce, ensuring consistent seat pressure and reliable performance at high RPMs. By pairing these springs with lightweight, precision-machined titanium retainers, this kit significantly reduces reciprocating mass, allowing for faster engine response and increased protection under aggressive cam profiles.
- Manufacturer Part Number: 344-05-1360
- Includes high-quality dual valve springs and titanium retainers
- Seat Pressure: 50 lbs @ 1.400 in.
- Open Pressure: 205 lbs @ 0.900 in.
- Coil Bind: 0.880 in.
- Designed specifically for Honda H-Series cylinder heads
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2001 | Honda | Prelude | Base |
| 1997-2001 | Honda | Prelude | Type SH |
| 1993-1996 | Honda | Prelude | VTEC |
Fits 1992-2000 Honda Civic and Civic del Sol (D-Series VTEC engines).
The Skunk2 Alpha Series Valve Spring and Titanium Retainer Kit is engineered to provide the valvetrain stability required for high-performance D-series builds. Designed to prevent valve float at engine speeds exceeding 10,000 RPM, this kit is essential for engines with aggressive cam profiles or increased rev limits. The Alpha Valve Springs are manufactured from high-tensile, Japanese-milled chrome-silicone wire, while the Alpha Titanium Retainers are CNC-machined from ultrasonically inspected medical-grade titanium to significantly reduce reciprocating mass.
Each retainer features radius-cut edges for increased rocker arm clearance and strategically positioned lightening grooves to minimize weight without compromising structural integrity. Utilizing FEA (Finite Element Analysis) and 3D CAD modeling, Skunk2 ensures optimal strength-to-weight ratios and precise installed heights for every component in this kit.
- Manufacturer Part Number: 344-05-1350
- Seat Pressure: 62 lbs
- Open Pressure: 168 lbs
- RPM Rating: 10,000+ RPM
- Spring Material: Super-clean chrome-silicone wire
- Retainer Material: CNC-machined medical-grade titanium
- Features: Radius-cut edges for rocker clearance and reduced overall height for valve seal clearance
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1992-2000 | Honda | Civic | EX |
| 1992-1995 | Honda | Civic | Si |
| 1993-1997 | Honda | Civic del Sol | S |
| 1993-1997 | Honda | Civic del Sol | Si |
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