Home / Products / Chevrolet Performance 12480175 - 350 cid, 4.117-4.155 in. Bore Bowtie Sportsman Block (1-Piece Rear Main Seal)

Chevrolet Performance 12480175 - 350 cid, 4.117-4.155 in. Bore Bowtie Sportsman Block (1-Piece Rear Main Seal)

Name: Chevrolet Performance 12480175 - 350 cid, 4.117-4.155 in. Bore Bowtie Sportsman Block (1-Piece Rear Main Seal)
SKU: UHJvZHVjdDoyNDUwMjcwMQ==
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• CNC-machined cast-iron competition block • +/-.005" machining tolerances • 4-bolt nodular mains, splayed caps on center three mains • 4.117" finished bore • 4.155" max bore (siamesed cylinder bores) • Tall lifter bores • Comes with rear seal adapter