Description
ZZ454/440
Aluminum heads add big power
Based on the time tested 454 HO, GM has added a set of GM Signature Series aluminum cylinder heads taking the overall performance up to a stout 469 hp and 519 ft. lbs. of torque..
The all new ZZ454 carries the same quality components, offering forged pistons, forged steel crankshaft, forged connecting rods and four bolt mains. This classic muscle car motor has all modern technologies incorporated into it, such as a roller cam, forged bottom end, and a compression ratio that will let you fill up at the pump.
Specifications:
- Power: 469 HP @ 5500 RPM, 519 ft. lbs. of torque @ 3700 RPM
- Displacement: 454 CID
- Bore x Stroke: 4.250” x 4.000”
- Compression Ratio: 9.6:1
- Recommended Fuel: 92 Octane
- Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
- Crankshaft: Forged Steel
- Connecting Rods: Forged Steel
- Pistons: Forged Aluminum
- Camshaft: Steel Hydraulic Roller Tappet
- Cam Lift: .510” Intake / .540” exhaust
- Cam Duration @ .050”: 211 deg. Intake / 230 deg. Exhaust
- Lobe Separation: 112 Degree
- Cylinder Heads: Cast Aluminum Oval Port
- Combustion Chamber: 110cc
- Valves: 2.190” Intake/ 1.880” Exhaust
- Rocker Arms: Stamped Steel, 1.7:1 Ratio
- Balance: External
- Maximum GM Recommended RPM: 5500
- Ignition Timing: Base 4 degrees BTDC, 26 degrees total
Engine Includes:
• Fully GM assembled long block
• Black Cast Aluminum Valve Covers
• Oil pump, pick-up and oil pan
• Aluminum Performance Intake
• Spark Plugs
• 14” Auto Trans Flexplate
• 8” Harmonic Balancer
• Front timing cover
• Cast Iron Long Water Pump
• Oil Filter and Adapter
• Passenger Side RH Oil Dipstick and TubeWarranty:
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click Here to view or download warranty form.
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