Upgrade to new bronze alloy valve guide
Upgrade to new bronze alloy valve guide
Black Nitride oversize stainless intake valve for all 4v VW/Audi motors including 16v,20v and 32v motors.
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1.5mm oversze Inconel exhuast valve for all 4v VW/Audi motors including 16v,20v and early 32v motors.
2X Entries Into Our F80 M3 Sweepstakes
Full set of 20 Ti Valve Spring retainers
2X Entries Into Our F80 M3 Sweepstakes
High quality performance valve springs and titanium retainers
Triple Groove retainer manufactured with high-quality military-certified Titanium alloy, and CNC machined for a tight fit.
Assembled with valves and springs
Assembled with valves and springs
Assembled with valves and springs
High Flow Valve Set
2X Entries Into Our F80 M3 Sweepstakes
This high-performance engine kit combines an upgraded dual-spring valvetrain, Inconel and nitrided valves, a top-end gasket set, and premium tri-metal race main bearings.
10X Entries Into Our F80 M3 Sweepstakes
+1mm oversized valve head diameter, single groove keeper setup for high RPM use
*Oversized valves require extra machine work to the cylinder head.*