Speed Pro Premium Piston Rings 4.165" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Front Cover Gasket Fully potted electronics and sealed

Fully potted electronics and sealed connectors for maximum durability

with carbon fiber inserts

these shocks are specifically suited for use with special lowering springs in combination with anti-sway bars or other suspension upgrades

1971-1974 GMC K25/K2500 Pickup

5 speed or 2500+ stall

Speed Pro Premium Piston Rings 4.165" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Front Cover Gasket Fully potted electronics and sealedProduct Description: Piston Rings Performance 4. 165 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