Speed Pro Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 8.0 cc - Coated Skirt 2070099 The Gas-a-just is available as

The Gas-a-just is available as an OE monotube replacement and as an OE twin-tube performance upgrade

With the introduction of the 20 Amp Extreme HEI Module

Poly Control Arm Bushing Kit

492 lb/in Spring Rate

Speed Pro Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 8.0 cc - Coated Skirt 2070099 The Gas-a-just is available asProduct Description: Piston Hypereutectic 4. 040 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 8. 00 cc Coated Skirt Small Block Ford Set of 8 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