Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs
Pistons fully machined from 2618 aluminum alloy with a performance skirt coating
Lightweight racing valve spring kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams)
All necessary gaskets, seals and O-rings included
Specs
Product Name: Top End Service Kit
Spring Lift: 0,415"
Spring Lift: 0.415"
Spring Open Pressure: Intake 168 lb, Exhaust 157 lb
