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ZZ454 469BHP Engine w/ Aluminum Heads Crate Motor

SKU: 19331574

Quick Overview

Chevrolet Performance engineers took the 454 HO - with its super-tough, all-forged reciprocating assembly - and matched it with a set of higher-flow, oval-port aluminum cylinder heads to pick up an additional 30 horses, while still offering 519 ft/lbs of torque. They dubbed it the ZZ454/440, and it's an affordable high-performance Big-Block for any chassis you can stuff it in.


The ZZ454/440 uses the new cylinder block casting for greater strength and performance, while the aluminum heads use smaller, 110cc combustion chambers to boost compression to 9.6:1, up from 8.5:1 on the 454 HO. Then matched the airflow capability with a high-lift, hydraulic roller camshaft that delivers great idle quality and requires no periodic lash adjustments.


This crate engine package includes the ZZ454/440 assembled with a water pump, balancer, aluminum intake manifold, and a 14-inch flexplate. To simply finish up this package, you will need a carburetor, starter, ignition system, and other accessories. Don't sweat it, JEGS has all the components you need to get this big-power Big-Block started.


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Availability: In stock

Only 1 left

Excl. Tax: £5,895.00 Incl. Tax: £7,074.00
ZZ454 469BHP Engine w/ Aluminum Heads Crate Motor is available for purchase in increments of 1

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Chevrolet Performance engineers took the 454 HO - with its super-tough, all-forged reciprocating assembly - and matched it with a set of higher-flow, oval-port aluminum cylinder heads to pick up an additional 30 horses, while still offering 519 ft/lbs of torque. They dubbed it the ZZ454/440, and it's an affordable high-performance Big-Block for any chassis you can stuff it in.

The ZZ454/440 uses the new cylinder block casting for greater strength and performance, while the aluminum heads use smaller, 110cc combustion chambers to boost compression to 9.6:1, up from 8.5:1 on the 454 HO. Then matched the airflow capability with a high-lift, hydraulic roller camshaft that delivers great idle quality and requires no periodic lash adjustments.

This crate engine package includes the ZZ454/440 assembled with a water pump, balancer, aluminum intake manifold, and a 14-inch flexplate. To simply finish up this package, you will need a carburetor, starter, ignition system, and other accessories. Don't sweat it, JEGS has all the components you need to get this big-power Big-Block started.

ZZ454/440 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
  • Camshaft Type: Hydraulic roller
  • Camshaft Lift: .510'' intake / .540'' exhaust
  • Camshaft Duration (@.050 in.): 211° intake / 230° exhaust
  • Cylinder Heads: Aluminum oval port, 110cc combustion chambers
  • Valve Size: 2.190'' intake / 1.880'' exhaust
  • Compression Ratio: 9.6:1
  • Rocker Arms: Stamped steel
  • Rocker Arm Ratio: 1.7:1
  • Water Pump: Cast-iron, long-style
  • Flexplate: 14'' diameter
  • Recommended Fuel: Premium pump (92 octane)
  • Ignition Timing: 36° Total @ 4000 rpm
  • Maximum Recommended RPM: 5500
  • Balanced: Externa
Tech Specs No
Fits No
SAAB No
Fiat No
Alfa Romeo No
Phone Model No
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