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Instruction Sheets for Part Number HPE-HP108C
Charts & Guides for Part Number HPE-HP108C
ATK High Performance Pro Street 632 800 HP Dressed Crate Engines HP108C
Part Number: HPE-HP108C
ATK High Performance Pro Street 632 800 HP Dressed Crate Engines
Crate Engine, Pro Street 632 800 HP Dressed, Assembled, 10.3:1 Compression, Aluminum Heads, Internal Balance, Dart Big M Block, Chevy, 10.3L V8, Each
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Estimated Ship Date: Jan 25, 2027 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
HP108C
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP108C
UPC:
00653517631320
Crate Engine Family:
Chevy Big Block
Actual Engine Displacement:
10.3L/632
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
10.3:1
Assembled:
Yes
Engine Balance:
Internal
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
2-piece
Intake Manifold Included:
Yes
Intake Manifold Style:
Carbureted
Cylinder Heads Included:
Yes
Carburetor Included:
Yes
Throttle Body Included:
No
Distributor Included:
Yes
Oil Pan Included:
Yes
Valve Covers Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
No
Harmonic Balancer Included:
Yes
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
Yes
Spark Plug Wires Included:
Yes
Computer Included:
No
Wiring Harness Included:
No
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
Special Attention:
Engine block is a Dart Big M 10.2 deck with 4-bolt mains.
ATK High Performance Pro Street 632 800 HP Dressed Crate Engines
ATK High Performance Pro Street 632 c.i.d. 800 hp completely dressed crate engines are sure to turn heads! Hand built; they are stuffed with name brand quality components you can trust to ensure performance.
Engine specifications:
* Block: Dart Big M 10.2 deck, 4-bolt main, 2-piece seal
* Bore/stroke: 4.600 in. x 4.750 in.
* Displacement: 632
* Crankshaft: Scat 4340 forged internal balance
* Rods: Scat 4340 forged H-beam with ARP 8740 bolts
* Pistons: Forged 10.3:1 compression
* Rings: Moly
* Camshaft: Hydraulic roller
* Cam specs: 267/277 at 50 .680 intake/.680 exhaust 110LSA
* Timing chain: Double roller
* Cylinder heads: Dart Pro 1 aluminum 121cc/345cc 2.300/1.880
* Rocker arms: Howards billet aluminum 1.7 roller rockers
* Oil pan: Moroso 7 qt. street/strip pan with windage tray
* Oil pump: Melling high volume
* Balancer: Power Bond SFI 7.950 in.
* Intake manifold: Edelbrock Super Victor
* Distributor: Pro billet (iron gear)
* Carburetor: Quick Fuel 1150 cfm mechanical secondary
* Spark plugs: Autolite #3934
* Spark plug wires: 8mm
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