Kibblewhite Top End Service Kit — Spring lift 0.440", open pressure intake 147 lb, exhaust 203 lb, valve seat height intake 1.215", exhaust

Complete top-end service kit designed for a full rebuild or performance refresh.

• Includes pistons, piston rings, piston pins, gaskets, valves and valve springs for a complete top-end assembly.
• Pistons machined from 2618 aluminum alloy with a performance skirt coating to reduce friction and increase strength.
• Lightweight racing valve spring kit with dual springs and hardened steel base washers, suitable for use with high-performance cams.
• All necessary gaskets, seals and O-rings are included to simplify installation.
• The pistons, rings, valve clips and pins are engineered to work together as a system; not compatible with OEM components.

Included items: intake and exhaust retainers and springs, coated stainless intake and exhaust valves, high-performance piston kit and a full top-end gasket kit.