BC0450 LS1 stroker kit featuring a 4.000-inch stroke crankshaft, high-strength PROH2K connecting rods, and lightweight CP Bullet pistons engineered for 9:1 compression ratio and a 3.905-inch bore diameter.

Description

S1 Head 383 CID – Includes 4340 forged crank (4.000″ stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125″ c-to-c), CP Bullet Series pistons #CP7450B (3.905″ bore x -18.2cc volume [9:1 w/68cc head – 18cc], non flat top) – Balanced

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Quality Bc0450 – Chevrolet Ls1 Stroker Kit – 4.000″ Stroke/Proh2k Rods, Cp Bullet 9:1/3.905″ for your collection.