Chevrolet Performance 454 C.I. Deluxe Big-Block Crate Engine 438 HP
Highlights
- 454 C.I. Big-Block V8
- 438 Horsepower
- 500 lb.-ft. Torque
- Hydraulic Roller Cam
Chevrolet Performance 454 C.I. 438 HP Deluxe Big-Block Crate Engine.
This Chevrolet Performance 454HO crate engine (19433409) delivers the kind of torque that makes a truck feel strong in every gear. It produces 438 horsepower and 500 lb.-ft. of torque, backed by a 4-bolt main block and an all-forged rotating assembly. A hydraulic roller cam helps keep the powerband broad and street-friendly while rectangular-port iron heads support strong airflow for solid mid-range pull.
Features and Benefits:
- Engine Type: Chevy Big-Block V8
- Displacement (cu in): 454
- Bore x Stroke (in): 4.250 x 4.000
- Block: Cast-iron with 4-bolt main caps
- Crankshaft: Forged steel
- Connecting Rods: Forged steel
- Pistons: Forged aluminum
- Camshaft Type: Hydraulic roller
- Camshaft Lift (in): .510 intake / .540 exhaust
- Camshaft Duration (@.050 in): 211 degrees intake / 230 degrees exhaust
- Cylinder Heads: Iron rectangular port; 118cc chambers
- Valve Size (in): 2.190 intake / 1.880 exhaust
- Compression Ratio: 8.75:1
- Rocker Arms: Stamped steel
- Rocker Arm Ratio: 1.7:1
- Water Pump: Cast-iron, long-style
- Flexplate: 14”
- Recommended Fuel: Premium pump
- Ignition Timing: 36 degrees total at 4,000 rpm
- Maximum Recommended rpm: 5,500
- Balanced: External
- Intake Manifold: Dual plane
Additional Notes:
- Requires addition of carburetor, starter, fuel pump, distributor and ignition system (not included).
- Clutch linkage bosses are now 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; use flywheel and 11" clutch assembly for manual transmission applications.
- NOT intended for marine applications.
- Distributor with melonized steel gear MUST be used with long-blocks and Partial engines with steel camshafts, or engine damage will occur.
Vehicle Fitment:
- 1964-1972 Chevy Chevelle
- 1964-1972 Chevy El Camino
- 1971-1972 GMC Sprint
- 1964-1969 Beaumont
- 1967-1981 Chevy Camaro
- 1968-1974 Chevy Nova
- 1970-1972 Chevy Monte Carlo
*Only for use on pre-pollution controlled vehicles: Designed for pre-1976 street vehicles or any off-road vehicle.
California Residents: Proposition 65 Warning
Related Categories: Crate Engines
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
