Aftermarket aluminum retainer and keeper set designed for GX390 aftermarket stainless steel valves(6.5MM VALVE STEM) and heavy duty single or dual springs. Will not work with stock valves or springs.
Billet Hardened 4340 Chromoly Crankshaft . Features a true 1/8" journal radius for strength and durability. Also features airplane wing style counter weights that are proportionally designed for...
Designed to dissolve corrosion and rust without drying. Provides a microscopic film that Rust proofs for up to a year inside or out. Excellent protection against water, even salt water. Low odor.
Wiseco unchromed forged piston 2.835"(72mm) with a .640" compression height. Comes with rings and circlips, No Pin. This piston requires a .490" diameter wrist pin. Check out ARC's #6521 High...