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Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-12568774K4
454 HO 454ci Connect & Cruise Powertrain System 4L85-E Trans
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- 454 HO Connect & Cruise Powertrain System
- 438 HP @ 5300 RPM
- 500 ft/lbs TQ @ 3500 RPM
- SuperMatic 4L85-E Four Speed Transmission (Remanufactured)
- 2400-2800 RPM Stall Torque Converter
454 HO 454ci TECH SPECS: - Engine Type: Big-Block V-8
- Displacement: 454ci
- Bore x Stroke: 4.250' x 4.000'
- Block: Cast-iron with four-bolt main caps
- Crankshaft: Forged steel
- Connecting Rods: Forged steel
- Pistons: Forged aluminum
- Camshaft Type: Hydraulic roller
- Camshaft Lift: .510' intake / .540' exhaust
- Camshaft Duration (@.050 in.): 211° intake / 230° exhaust
- Cylinder Heads: Iron rectangle port w/ 118cc combustion chambers
- Valve Size: 2.19' intake / 1.88' exhaust
- Compression Ratio: 8.75:1
- Rocker Arms: Stamped steel
- Rocker Arm Ratio: 1.7:1
- Recommended Fuel: Premium pump
- Maximum Recommended rpm: 5500
- Balanced: External
- Intake Manifold: Dual plane INSTALLATION NOTES:
- Requires addition of carburetor, starter, fuel pump, distributor and ignition system (not included)
- Clutch linkage bosses are drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads for clearance
- Comes with an externally balanced 14' automatic transmission flexplate
- Designed for pre-1976 street vehicles or any off-road vehicle
- Not intended for marine applications
Part TypeEngine
BrandCHEVROLET PERFORMANCE
Part CategoryPerformance Parts
Part FitmentSemi Universal
Package Qty1
Package TypeEA
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