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) 21300MR-O 7LV8Vehicle Applications: 11-16 300

7LV8Vehicle Applications: 11-16 300

no adapters

Simpson's exclusive EnviroGuard lace cover hinges at the tongue base with full length speedfit closures on each side

A custom computer designed housing eliminates the use of multiple components

These plates are CNC-machined from 1/2" thick billet 6061-T6 aircraft-quality aluminum

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) 21300MR-O 7LV8Vehicle Applications: 11-16 300Product 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