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JE Pistons 4.040" Bore (472 grams)


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JE Pistons 4.040" Bore (472 grams) $815.99
Out of stock
4.040'' Bore (472 grams)

JE Pistons 182014 Details

Small Block Chevy 23 Degree Standard Dome
Smooth flow for optimum flame travel. Valve reliefs accomodate oversized valves and high lift cams. Works with angle-milled heads. JE 51S series wristpins (130g) and double spiral locks included. 1/16, 1/16, 3/16'' ring groves.
Specs: Dome vol. 13cc, Compression Ratio: 58cc - 14.5:1; 64cc - 12.8:1; 76cc - 11.2:1. 1.250'' C/H, 6.000'' Rod, 3.500'' Stroke. 8/pkg.


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JE Pistons can make it happen, and that's probably why more engine builders choose them. JE's success, though due to many factors, is mainly thanks to their high-tech, CNC-based manufacturing facility which produces thousands of accurate, identical pistons. JE was the first and is the only manufacturer to use Ultra-Crown 3-D technology. Considered an industry standard among the racing elite, this technology allows you to take advantage of one of racing's most guarded secrets.

Ford 302 Inverted Dome: These pistons are designed to be compatible with forced induction and nitrous applications. The valve reliefs are machined to accommodate larger valves and long duration, tight lobe separation cams.

Note: Pistons sets are sold 8 per package except for Buick V6.

Some parts are not legal for use in California or other states with similar laws / regulations

Motor Vehicles

WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

Electrical Cords

WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.