The Ford Performance 347 shortblock lets you build it your way by adding your choice of heads, cam, intake and oil pan. It's the perfect foundation to build a powerful 8.2" deck engine for your vintage muscle car, street rod, Fox Body or Late Model Mustang. This is the same shortblock used in the 347 sealed racing crate engines, Part number M-6007-D347SR and M-6007-S347JR. Nothing but the best parts are used inside including: forged crankshaft, forged I-beam connecting rods with floating piston pins and the BOSS 302 block.
Engine type: 302 based small block Ford
Displacement (cu in): 347
Bore x stroke (in): 4.030" bore x 3.400" stroke
Block: Boss 4-bolt main block M-6010-BOSS302 8.2" deck height
Piston to Deck Height: .010" below deck (nominal)
Crankshaft: SCAT® Forged Steel: 3.400" stroke
Connecting rods: SCAT® forged steel I-beam connecting rods with floating pin and ARP® bolts
Pistons: Mahle® forged aluminum, 1.5mm, 1.5mm, 3.00mm rings, valve reliefs for X306, X307, Z304DA, Z304P, N351, and other inline valve Windsor cylinder heads. 6 cc valve pockets. Check piston to valve clearance.
Hydraulic roller camshaft compatible
Internally balanced. Requires “0” balance flywheel and damper
Recommended cylinder head fasteners M-6065-BOSS head bolts or M-6014-BOSS studs depending on application
Most aftermarket performance cylinder heads are compatible with this short block. Ford Performance short blocks are built with pistons designed for 20 degree valve angle heads and will fit stock or most spread valve guide centerlines.
Designed for M-6049-X306//X307/Z304DA/Z304P and N351 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
High-performance harmonic balancer M-6316-D302 is recommended
High volume oil pump M-6600-D2 recommended
302 bolt pattern, oil pan and timing cover
Built with all NEW PARTS
Photo and specs may vary
