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Supertech BMW S63 V8 Conical Valve Spring Kit - 80lb/83lb Seat Pressure (SPRK-BMS63B)

$1,368.29 $1,709.86
-20%
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Supertech BMW S63 V8 Conical Valve Spring Kit - 80lb/83lb Seat Pressure (SPRK-BMS63B)
$1,368.29 $1,709.86
$1,368.29 $1,709.86

Fits BMW S63 V8 engines.

The Supertech SPRK-BMS63B Conical Valve Spring Kit is engineered to meet the demands of high-performance BMW S63 builds. By utilizing a conical profile, these springs reduce reciprocating mass at the retainer end, significantly improving valvetrain harmonics and preventing valve float at higher RPM and boost levels.

This kit is specifically calibrated with distinct seat pressures for the intake and exhaust sides to ensure precise valve control and timing. These springs are designed to be a durable solution for enthusiasts looking to strengthen their valvetrain while maintaining reliable operation under stress.

  • Manufacturer Part Number: SPRK-BMS63B
  • Spring Profile: Conical
  • Intake Seat Pressure: 80 lbs
  • Exhaust Seat Pressure: 83 lbs
  • Engine Application: BMW S63 V8

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