ATK High Performance Engines Ford Small Block 347ci Short Block
These short blocks feature an all forged rotating assembly components for added durability. Scat 4340 forged steel crank, Scat 4340 H-beam rods and forged pistons for higher horsepower potential.
Product Type: Engine Short Block
Application: Ford Small Block 408ci
Block: Ford Seasoned OE Roller
Deck Height: 9.500"
Main Cap Bolts:
Crankshaft: Scat 4340 Forged Steel
Pistons: Forged Aluminum
Piston Dome Type/Volume: -25.8cc Dish
Compression: 10.7:1 w/58cc, 10.1:1 w/64cc, 9.4:1 w/70cc
Connecting Rods: Scat 4340 Forged H-Beam
Connecting Rod Fasteners: ARP 8740 Bolts
Rings: Moly Rings
Rod Bearings: Yes
Main Bearings: Yes
Cam Bearings: Yes (Installed & Clocked to OEM Position)
Freeze Plugs: Brass (Installed & Sealed)
Balanced: Yes, Internal
Flexplate Included: No
Harmonic Balancer Included: No
Manufacturer: ATK High Performance Engines
Manufacturer's Part Number: SP21
Warranty: Race Application, No warranty expressed or implied.
Weight: 300.0 lbs.
Quantity: Sold as Each
Note: Built to order, usually ships 4-6 weeks.