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454 HO Partial Big Block Engine
Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-19433375

454 HO Partial Big Block Engine

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

454 HO Partial Big Block Engine

Chevrolet Performance 19433375 INSTALLATION NOTES:

  • Clutch linkage bosses are now drilled and tapped.
  • Comes with an externally balanced 14' automatic transmission flexplate; use flywheel P/N 809-14096987 and 11' clutch assembly for manual transmission applications
  • Designed for pre-1976 street vehicles or any off-road vehicle
  • Not intended for marine applications
  • Motor equipped with truck-style oil pan and pickup. Vehicle-specific oil pan and pickup are required for installation.
  • This partial engine does not include a camshaft, lifters, timing chain, or cam sprocket.

19433375 supersedes 12498778

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

The Chevrolet Performance 454ci Partial Engine is for those who want the sturdy foundation of the 454 HO as the starting point of a custom engine. This brand is a new partial engine including a forged crank, rods, and pistons, as well as the balancer, oil pan, and front cover. The Chevrolet engineers assembled this as the basis for the Big Block enthusiasts everywhere!

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454 HO PARTIAL TECH SPECS:

  • Engine Type: Chevy 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
  • Compression Ratio: 8.75:1 (with 118cc combustion chamber head)
  • Flexplate: 14'' diameter
  • Maximum Recommended RPM: 5500
  • Balanced: External

Note: This partial engine does not include a camshaft, lifters, timing chain, or cam sprocket.

GM Warranty

Part TypeEngine Short Block
Product LineChevrolet Performance 454 HO Partial Engine
BrandCHEVROLET PERFORMANCE
Package Height28.5
Package Width39.5
Package Length52.0
Weight600.0 PG
Part CategoryPerformance Parts
Wiring Harness IncludedNo
Spark Plug Wires IncludedNo
Crankshaft MaterialForged
Air Cleaner IncludedNo
Carburetor IncludedNo
Water Pump IncludedNo
Flexplate IncludedNo
AssembledNo
Piston Ring Facing MaterialMoly
Main Bolt Style4-bolt
Deck Height9.8 in (248.92 mm)
Intake Manifold IncludedNo
Flywheel IncludedNo
Rear Main Seal Style1-piece
Valve Covers IncludedNo
Crankshaft IncludedYes
Piston Rings IncludedYes
Engine Stroke4 in (101.6 mm)
Engine Block MaterialCast iron
Cylinder Heads IncludedNo
Connecting Rod MaterialForged
Computer IncludedNo
Pistons IncludedYes
Harmonic Balancer IncludedYes
QuantitySold individually
Main Bearings IncludedYes
Connecting Rods IncludedYes
Oil Pump IncludedYes
Camshaft IncludedYes
Cam Bearings IncludedYes
Oil Pan IncludedYes
Part FitmentSemi Universal
Timing Cover IncludedYes
Spark Plugs IncludedNo
Vendor Part Number19433375
Package Qty1
Package TypeEA
No Questions
No Reviews
Please click here to download the instructions PDF file

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Some parts are not legal for use in California or other states with similar laws / regulations
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