Diamond LSX 12 Forged Pistons - 4.125 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 4.80 cc - GM LS-Series (Set of 8) 29002P 3/20 and a TPP of

3/20 and a TPP of over 100

Painted black to resist corrosion

this raised one-piece guide plate set is designed for Chevrolet 396-454 Big Block engines with 7/16" studs and 3/8" pushrods

All Silver Bullet Throttle Body Spacers are constructed from 6061-T6 billet aluminum precision machined for light weight

Billet aluminum adapter replaces the stock cast aluminum adapter and eliminates the bypass found in OE adapters

Diamond LSX 12 Forged Pistons - 4.125 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 4.80 cc - GM LS-Series (Set of 8) 29002P 3/20 and a TPP ofProduct Description: Piston LSX 12 Forged 4. 125 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Minus 4. 80 cc GM LS Series Set of 8 Take a look back at the company's humble roots, and rich, racing heritage. In the early days of hot rodding, those who sought optimum performance became innovators, pushing the envelope of speed in the quest for racing glory. Diamond Pistons, founded in 1968the heyday of muscle cars and drag racing was born of that