12568774, 425HP/454 HO GM Performance Parts Crate Engine Assembly

Part #

12568774

Price: $5,500.00

Quantity:

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.

Old Part Number: 24502618

Block: Gen VI Cast Iron, 4 bolt Main

Camshaft Duration @ 0.050 in. I/E: 211 / 230

Camshaft Type, Lift in. (I/E): Hydraulic Roller, 0.510 / 0.540

Compression Ratio: 8.75:1

Crankshaft: Forged 1053 Steel, 4.000 in. Stroke

Heads, Chamber Size: Rectangular Port Cast Iron, 118cc

Horsepower: 425 @ 5250 RPM

Intake Manifold: Aluminum Dual Plane

Torque: 500 ft/lbs @ 3250 RPM

Valves (I/E) (in.): 2.190 / 1.880

Average Customer Review:

454 HO crate,

October 9, 2008

i have one in a 1979 malibu i beat the crap out of and it does not consumes any oil.....

oily big block,

November 20, 2007

I installed my 454 in a 1965 corvette. I have continuously experienced serious oil consumption. 1.5 qts. in 800 miles. I thought it was me. Then checked operating temperatures and found i was overheating. I resolved that, and she still drank oil. The power is also down.

oil user,

July 10, 2008

A 454 will use 1 quart every 500 to 1000 miles... mine did ! I drove my Dad's 1975 Suburban back in the day..1977. It had an LS-5 cam and a single plane intake from Chevy ! 1 ton with a 5.13:1.0 rear gear Yeah... 8mpg at 50 w/ the cruise on ! Didn't smoke. It used oil !

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