Speed Pro Premium Piston Rings 4.094" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Tach Adapter Shims are installed between the

Shims are installed between the water pump pulley and drive flange

500" outer diameter valve spring like our 984

Ferrules / Fittings Included

2 x 2 in Rectangular Port

16-3/4 x 15-1/2 in

Speed Pro Premium Piston Rings 4.094" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Tach Adapter Shims are installed between theProduct Description: Piston Rings Performance 4. 094 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers can