Description
Brand: JE Pistons
Manufacturer’s Part Number: 257978
Part Type: Pistons
Product Line: JE Pistons Big Block Flat Top Pistons
Automotive Fittings Part Number: JEP-257978-8
UPC: 193564035080
Piston Rings Included: No
Bore (in.): 4.560 in.
Bore (mm): 115.824mm
Stroke: 4.250 in.
Engine Stroke Type: Stroked
Rod Length: 6.135 in.
Piston Style: Flat top, with single valve relief
Piston Material: Forged aluminum
Compression Height (in.): 1.520 in.
Piston Head Volume (cc): +3.00cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.990 in.
Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in.
File Fit: No
Gapless: No
Remanufactured: No
Quantity: Sold as a set of 8.
Description:
These big block flat top pistons by JE Pistons are compatible with forced induction, nitrous, and angle-milled heads. Valve reliefs will accommodate oversized valves and long-duration, tight lobe separation cams. Their compression height is figured using a 9.780 in. block height with zero deck clearance. Precision CNC-machined ring grooves accept 1/16, 1/16, 3/16 rings. These pistons will fit both open and closed chamber cylinder heads.
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