SKU: M-6009-Z347

M-6009-Z347* 347 CID "BOSS" 4-bolt main block, M-6010-BOSS302 Forged aluminum .030" overbore pistons with valve reliefs for Z304, N351, GT-40 and other inline valve Windsor cylinder heads. Valve notches approximately 4cc. Check valve to piston clearance for valve lift over .500". Piston to deck .000" (nominal) 3.40 stroke forged steel stroker crank Forged steel connecting rods Hydraulic roller camshaft compatible Balanced for 28.2 in./oz. damper and flywheel Assembled and ready for your heads, cam and timing chain set Requires head gaskets M-6051-CP331 or M-6051-S331 or equivalent Photo and specs may vary

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