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Instruction Sheets for Part Number HPE-HP107M
Charts & Guides for Part Number HPE-HP107M
ATK High Performance GM 383 Stroker 525 HP Stage 2 Long Block Crate Engines HP107M
Part Number: HPE-HP107M
ATK High Performance GM 383 Stroker 525 HP Stage 2 Long Block Crate Engines
Crate Engine, GM 383 Stroker, Long Block, Mid Dress, Internal/External Engine Balance, Aluminum Heads, Each
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Overview
Brand:
Manufacturer's Part Number:
HP107M
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP107M
UPC:
653517559099
Crate Engine Family:
Chevy Small Block
Actual Engine Displacement:
6.3L/383
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
10.2:1
Assembled:
Yes
Engine Balance:
Internal/External
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
1-piece
Intake Manifold Included:
Yes
Intake Manifold Style:
Carbureted
Cylinder Heads Included:
Yes
Carburetor Included:
No
Throttle Body Included:
No
Distributor Included:
Yes
Oil Pan Included:
Yes
Valve Covers Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
Yes
Harmonic Balancer Included:
Yes
Flexplate Included:
Yes
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
No
Spark Plug Wires Included:
No
Computer Included:
No
Wiring Harness Included:
No
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
ATK High Performance GM 383 Stroker 525 HP Stage 2 Long Block Crate Engines
ATK High Performance GM 383 Stroker 525 hp Stage 2 long block crate engines are power transplants for your high performance projects. ATK Stage 2 or mid-dress engines are designed for builders that have their own component parts already, and who also are interested in completing the finishing touches of the build themselves. GM mid-dress engines typically consist of the Stage 1 build plus intake manifold, distributor, water pump, front damper, and flexplate.
Engine specifications:
* Horsepower: 525
* Torque: 515
* Block: OE roller block 4-bolt main one-piece seal 1996-2000
* Bore/stroke: 4.040 x 3.750 in.
* Displacement: 383
* Crankshaft: Scat 4340 forged external balance rear of crank/internal balance front of the crank
* Rods: Scat 4340 forged H-beam with ARP 8740 bolts
* Pistons: Forged 10.2:1 compression
* Rings: Moly
* Camshaft: Hydraulic roller
* Cam specs: 246/250 at 50 .603intake/.609exhaust 110LSA
* Timing chain: Double roller
* Cylinder heads: ATK American-made aluminum 70cc/210cc 2.02/1.60
* Rocker arms: Billet aluminum 1.6 roller rockers
* Oil pan: Moroso 7qt. with windage tray
* Oil pump: Melling
* Flexplate/flywheel: Pioneer external balance 168 tooth (with Scat kit)
* Balancer: PowerBond SFI internal balance 8 in.
* Intake manifold: Holley strip dominator single plane
* Distributor: Pro billet (iron gear)
* Water pump: Weiand action plus long pump
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