ZZ454/440 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: Aluminum oval port w/ 110cc combustion chambers
- Valve Size: 2.19'' intake / 1.88'' exhaust
- Compression Ratio: 9.6:1
- 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
19433410K4 supersedes 19419001K4
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