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The Mahle MS piston set for LSX 421cid builds supplies eight pistons sized to a 4.030 inch bore with a 4.125 inch stroke for high-displacement LSX assemblies. Each piston pairs with a 6.125 inch rod and 0.927 inch wrist pin, features a -20.0cc dish and targets a 9.8:1 compression ratio. Weighing about 400g each, the set provides precise dimensional matching for engine building and balancing.
Mahle MS Pistons LSX 421cid 4.030in Bore 4.125in Stk 6.125in Rod .927 Pin -20cc Dish 9.8CR Set of 8
