GM Performance Parts Crate

454 Performance Rebuild Kits

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Chevrolet Performance's 454 HO crate motor is classic in its very own time, supplying enthusiasts an inexpensive Big-Block combo with performance specs which will move you to think it's 1970 once again - with 438 horsepower and 500 asphalt-wrinkling lb-ft of torque. The inspiration regarding the 454 HO is a brand-new, updated cylinder block, which includes many strength and performance design improvements - rendering it a smart and affordable replacement for rebuilding. We additionally add an all-forged reciprocating construction for maximum durability, a roller camshaft, and a couple of rectangular-port iron cylinder heads. We deliver the 454 HO with a water pump, balancer, 14-inch flexplate, and aluminum consumption manifold. Add a carburetor, ignition system, and beginner as well as your budget Big-Block are prepared to roar.

  • 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 metal
  • Linking Rods: Forged metallic
  • Pistons: Forged aluminum
  • Camshaft Kind: Hydraulic roller
  • Camshaft Lift: .510'' intake / .540'' exhaust
  • Camshaft length (@.050 in.): 211° intake / 230° fatigue
  • Cylinder Heads: Iron rectangular port, 118cc burning chambers
  • Valve Size: 2.190'' intake / 1.880'' fatigue
  • Compression Ratio: 8.75:1
  • Rocker Arms: Stamped steel
  • Rocker Arm Ratio: 1.7:1
  • Water Pump: Cast-iron, long-style
  • Flexplate: 14'' diameter
  • Advised gas: Premium push (92 octane)
  • Ignition Timing: 36° Total @ 4000 rpm
  • Optimum Recommended RPM: 5500
  • Balanced: Outside
  • Advised Spark Plug: AC Delco #065-MR43T or any spark-plug with 14mm.460'' reach, 5/8'' hex, tapered seat, non-projected tip

JEGS Easy Kits were created by JEGS powerful racing experts to acquire all of the overall performance components you may need for your race automobile, hot rod or truck.

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