Brand: ATK High Performance Engines
Manufacturer’s Part Number: SP98
Part Type: Short Block Engines
Product Line: ATK High Performance Chevy Gen V 489/496 Short Blocks
Summit Racing Part Number: HPE-SP98
UPC: 653517518522
Crate Engine Family: Chevy Big Block
Actual Engine Displacement: 8.1L/496
Rear Main Seal Style: 1-piece
Crankshaft Material: Nodular iron
Piston Material: Forged aluminum
Short Block Piston Style: Dome
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: I-beam
Engine Block Material: Cast iron
Main Bolt Style: 4-bolt
Main Journal Type: Chevy 454
Deck Height (in.): 9.800 in.
Engine Balance: Internal
Oil Pan Included: No
Timing Cover Included: No
Harmonic Balancer Included: No
Flexplate Included: No
Flywheel Included: No
Assembled: Yes
Remanufactured: Yes
Quantity: Sold individually.
Notes: GM 1991-95 Gen V big block with 4.310 in. bore and 4.250 in. stroke, +20cc domed pistons, Scat forged 6.385 in. connecting rods, ARP 8740 rod bolts, and moly rings.
ATK High Performance Chevy Gen V 489/496 short blocks deliver a bulletproof bottom end that is perfect for your potent street or race build. These are later model Gen V blocks featuring top-of-the-line Scat forged stroker kits (no provisions for mechanical fuel pumps). They include clocked camshaft bearings set to the OEM position, plus installed/sealed freeze plugs and oil galley plugs. You wouldn’t build a house on sand, so don’t start your big block Chevy build with anything less than ATK High Performance Chevy Gen V 489/496 short blocks.
Make: CHEVROLET
Engine Type: V8
Engine Size: 8.0L/489
Engine Family: Chevy big block Gen V
Application Notes: GM 1991-1995 Gen V big block with 4.310 in. bore and 4.250 in. stroke, +20cc domed pistons, Scat forged 6.385 in. connecting rods, ARP 8740 rod bolts and moly rings.
Make: CHEVROLET
Engine Type: V8
Engine Size: 8.1L/496
Engine Family: Chevy big block Gen V
Application Notes: GM 1991-1995 Gen V big block with 4.310 in. bore and 4.250 in. stroke, +20cc domed pistons, Scat forged 6.385 in. connecting rods, ARP 8740 rod bolts and moly rings.
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