347 CUBIC INCHES BOSS SHORT BLOCK

This part is no longer available.
347 CUBIC INCHES BOSS SHORT BLOCK
M-6009-Z347
Instruction Sheet
Not Available
  • 347 cubic inches
  • 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
  • Requires special length �" head bolts M-6065-BOSS or head studs M-6014-BOSS recommended with M-6049-X306/307/Z304DA heads
  • Designed for M-6049-X306/X307/Z304DA cylinder heads. Not designed for production 302/351W or M-6049-Y302/Y303/X302/X303/X304/X305 cylinder heads
  • Assembled and ready for your heads, cam and timing chain set
  • Requires head gaskets M-6051-CP331 or M-6051-S331 or equivalent
  • Built with all NEW PARTS
  • Photo and specs may vary
Part Type
Engine: Short Blocks
Warranty Availability
Not Available
Package Dimensions
31" x 22" x 25"
Package Weight
311 lb(s)
UPC Code
756122098394
Country of Origin
United States