The Spectre 4300 push-in valve cover breather is engineered to provide superior crankcase ventilation while maintaining a clean, classic engine bay aesthetic. Constructed from triple chrome-plated steel for durability and a high-luster finish, this breather features an integrated internal baffle designed to effectively prevent oil splash during high-RPM operation.

This universal breather is designed for valve covers with 3/4-inch to 1-1/4-inch breather holes. For applications utilizing a 1-1/4-inch hole, use of Spectre grommet kits 5339 or 5333 is recommended to ensure a proper, leak-free seal.

• Manufacturer Part Number: 4300
• Mounting Style: Push-in
• Neck Diameter: 3/4 inch
• Material: Triple chrome-plated steel
• Internal baffle prevents oil splash and maintains ventilation
• Fits 3/4 inch to 1-1/4 inch valve cover holes (grommets required for larger sizes)

Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway.

The Spectre 3992 Mini-Cone Breather Filter provides effective crankcase ventilation while maintaining a clean, custom look in your engine bay. Designed for versatile application, this 10mm flange filter serves as a high-performance vent for blow-by gases, preventing contaminants from entering the system. The included adjustable worm gear clamp ensures a secure fit on tubes with outside diameters ranging from 3/8 inch to 1/2 inch (8-12mm).

Constructed with durability in mind, the filter features a triple chrome-plated steel top and base for a professional finish. The red synthetic media is pre-dyed for lasting color and comes factory pre-oiled for immediate installation. This unit is an ideal solution for custom intake setups or replacing worn OE crankcase vent filters.

• Part Number: 3992
• Flange Inside Diameter: 10mm (Fits 8mm-12mm / 3/8in-1/2in OD tubes)
• Outer Diameter: 2 inches
• Height: 1-3/4 inches
• Media: Pre-oiled red synthetic fiber
• Material: Triple chrome-plated steel top and base
• Inclusions: One adjustable worm gear clamp

Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway.

The Spectre 3991 breather filter, or crankcase vent filter, is designed for universal applications requiring a 10mm (3/8 to 1/2 inch) inlet. This performance filter features a triple chrome-plated steel top and base for a professional finish and long-term durability. It utilizes a pre-dyed black synthetic media that provides consistent color and efficient filtration, arriving factory pre-oiled and ready for immediate installation using the included adjustable worm gear clamp.

• Manufacturer Part Number: 3991
• Flange Inside Diameter: 10mm (Fits 3/8" to 1/2" OD tubing)
• Filter Dimensions: 2-inch Outside Diameter (OD) x 1.75-inch Height
• Media Material: Pre-dyed synthetic media for lasting black color
• Construction: Triple chrome-plated steel top and base
• Installation: Includes adjustable stainless steel worm gear clamp

Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. Verify CARB status for your specific vehicle before purchase.

Fits select 1965-1995 Ford Mustang models including Base, GT, Mach 1, Shelby GT-350, and SVT Cobra.

Enhance your engine bay with the classic styling of the Ford Racing Chrome Breather Cap. This high-luster chrome cap features the iconic Ford Mustang logo, making it a perfect functional and aesthetic upgrade for vintage restoration or street performance applications. Designed to meet Ford Racing's standards for fit and finish, this cap provides reliable crankcase ventilation while replacing worn or plain factory hardware.

• Brand: Ford Racing
• Part Number: 302-220
• Finish: Polished Chrome
• Logo: Ford Mustang
• Fitment Span: 1965-1995
• Included: One breather cap