Je Pistons 258244 Gm Bbc Open Chamber Dome 498ci 4.320b 4.250s 6.385r 13.1:1 on 2040-parts.com
Fort Lauderdale, Florida, United States
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With over 60 years of experience, JE Pistons is a leader in high performance forged pistons. Top engine builders in NASCAR, Sports Car, NHRA, AMA Supercross and others choose JE Pistons over any other brand. Utilizing State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances to millionths of an inch. These big block pistons are an excellent choice for drag race applications. Compression Height figured using 9.780 block height with zero deck clearance. These pistons will not work with Edelbrock head #6045, 6040, 6055. Engine: 427/454 Big Block Chevy, Open Chamber Dome, Std. Deck Block, Std. Bore 4.250Cubic Inch Displacement: 498 Bore: 4.320 Stroke: 4.250 Rod Length: 6.385 Block Height: 9.780 Compression Height: 1.270 Pin Diameter: 0.990 Crown Volume: 43cc Weight (Grams): 559 Compression Ratio: 14.4:1 (at 110cc) Compression Ratio: 13.1:1 (at 118cc) Compression Ratio: 12.3:1 (at 124cc) Alloy: Forged Aluminum Recommended Rings (NOT Included): Ring package designed for: 1/16, 1/16, 3/16 Rings (JE P/N: J10008-4320-5 ) Notes: Oil Rail Support Included. |
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