| Home / Products / GMC / Big Block / |
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| Price £3850 |
| Part #12568774 |
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| 12 months guarantee. 100% new |
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| Free Shipping on All Crate Engines |
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425HP/454 HO GM Performance Parts Crate Engine Assembly |
| Description |
| The 454 HO from GM Performance Parts offers tremendous value in a big block engine. Based on the Gen VI block, this is a great choice for your muscle car. Replacing rare matching numbered 396, 427 or 454 engines with H0 lets you drive your car with today's fuels without fear of destroying your classic engine. The Gen VI block has a provision for a mechanical fuel pump if needed.
Note; the GM oil pan will not clear the Camaro or Chevelle chassis, SDPC offers several different oil pan kits to fit your particular application. A different oil pan can be installed at our facility prior to shipping for a small additional charge.
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| Specifications |
| SDPC Part Number: |
12568774 |
| Manufacturer: |
GM Performance Parts |
| Horsepower : |
425 hp @ 5250 rpm |
| Torque : |
500 ft/lbs @ 3,250 |
| Compression Ratio : |
8.75 to 1 |
| Block : |
Gen VI Cast Iron 4-Bolt Main |
| Crankshaft : |
Forged 1053 Steel, 4.000" Stroke |
| Heads, Chamber Size : |
Rectangular Port Cast Iron, 118cc |
| Valves (I/E) : |
2.190"/1.880" |
| Camshaft, Lift (I/E) : |
Hydraulic Roller, 0.510"/0.540" |
| Camshaft Duration @ 0.050" I/E : |
211/230 degrees |
| Intake Manifold : |
Aluminum Dual Plane |
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