ATK HP451P Chevy 454 Base Engine 525HP 1pc Seal
$7,140.00
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Lead Time: Estimated: 4 - 6 weeks
Description
Description
Engine Specifications:
• HP: 525
• TQ: 550
• Block: OE block 1991-1995 Gen V 4 bolt main 1pc seal (NO MECHANICAL FUEL PUMP PROVISION)
• Bore/Stroke: up to 4.310” x 4.000”
• Displacement: 454
• Crankshaft: OE Reground external balance
• Rods: OE powder metal 6.135”
• Pistons: Forged 9.9:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 225/235 @50 .595in/.601ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Edelbrock aluminum E-street 110cc/290cc 2.19/1.88
• Rocker Arms: Billet aluminum 1.7 ratio
• Oil Pan: Champ 7qt Street/Strip pan with windage tray
• Oil Pump: Melling high volume
Recommended Components:
• Balancer: PowerBond external balance 8” #PB1451-N
• Flexplate/Flywheel: Pioneer #FRA-321 external balance 168 tooth
• Intake Manifold: Edelbrock performer RPM dual plane #7161
• Distributor: HEI (Iron gear)
• Water Pump: OE long pump
• Carburetor: Quick Fuel 780CFM vacuum secondary’s with electric choke #HR-780
• Fuel Pump: No mechanical fuel pump provision, must run an electric pump
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm
Engine Info:
• Oil: Conventional / Non Synthetic 10W30 with Comp Cam zinc additive #159 for first 3000 miles
• Oil Filter: Wix or K&N per application
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2200-2500
• Exhaust: 1 5/8 Headers
Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.
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