Outer Diameter: 11.045mm Length: 36.15mm
Outer Diameter: 11.045mm Length: 36.15mm
Engine Valve Spring Retainer Keeper - Split cotter for intake or exhaust valve. Two required per valve
Engine Valve Spring Retainer Keeper - Split cotter for intake or exhaust valve. Two required per valve
These performance retainers set at the top of the spring and used as an upgraded retainer.
This product was last offered at the strikethrough price on
05-02-2026
Black Nitride oversize stainless intake valve for all 4v VW/Audi motors including 16v,20v and 32v motors.
1.5mm oversze Inconel exhuast valve for all 4v VW/Audi motors including 16v,20v and early 32v motors.
High Flow Valve Set
Outer Diameter: 11.075mm Length: 36.15mm
Triple Groove retainer manufactured with high-quality military-certified Titanium alloy, and CNC machined for a tight fit.
Titanium retainers which allow for higher lift than stock retainers, at half the weight.
precision CNC'd from Ti for perfect fit, use in high revving motors to prevent valve float.