Page 45 of Automotive Pistons Catalog by JE Pistons

Machined from high Silicon 4032 alloy for tighter, quieter running clearances (part 131834 is manufactured from 2618 alloy which by design requires slightly more cylinder to piston clearance). All part numbers utilize an application specific forging for a more efficient dome shape. These pistons are the perfect choice for your street Hemi engine. Valve pockets have been engineered to accommodate oversized valves and long duration, tight lobe separation cams. 4032 alloy pistons are precision CNC machined for 5/64, 5/64, 3/16 factory style rings. 2618 alloy pistons are CNC machined for 1/16, 1/16, 3/16 rings. Includes: Pin #031-2930-17-51S (175g) Double spiro locks (#031-042-CS) Rod Length Block Height Cubic Inches Bore Size Compression Distance Stroke Gram Weight Footnote Oversize Part Number Ring Prefix + Bore Size Below 168cc Head Cubic Centimeters Compression Ratio 426 HEMI 34 PHONE: 714-898-9763 FAX: 714-893-8297 Dome Volume 174cc STD BORE: 4.250 426 SERIES (4032 ALUMINUM ALLOY) 5/64, 5/64, 3/16 RINGS JP00F8- 528 4.500 4.150 6.860 1.785 10.4 10.0 65 NEW! .250 232517 4500-5* 426 4.255 3.750 6.860 1.955 10.7 10.1 88 830 .005 131850 4250-5 431 4.280 3.750 6.860 1.955 10.8 10.2 88 829 .030 118758 4280-5 433 4.290 3.750 6.860 1.955 10.8 10.2 88 842 .040 118759 4290-5 477 4.500 3.750 6.860 1.985 10.5 10.0 76.5 NEW! .250 232518 4500-5* STD BORE: 4.250 426 SERIES (2618 ALUMINUM) 1/16, 1/16, 3/16 RINGS J100F8- 472 4.255 4.150 6.860 1.765 11.7 11.1 98 771 .005 131834 4250-5 Now no more waiting for custom pistons. These pistons are specifically designed to handle the 7000+ horsepower generated by Top Fuel engines. They come Kool Coated at no extra charge. The ring grooves are precision machined to accept Dykes D017 top rings, 1/16 second ring, and 3/16 oil rings. Pins, buttons, and rings must be purchased separately. Includes: Pin fitting (1.156 pin diameter) TOP FUEL TOP FUEL SERIES 4.187 1.630 784 207486 J14185-5-017HPD 4.187 1.660 795 207487 J14185-5-017HPD 4.187 1.690 801 207488 J14185-5-017HPD 4.187 1.720 808 207489 J14185-5-017HPD Bore Size Compression Distance Gram Weight Part Number Top Ring BLOWN ALCOHOL SERIES 4.310 1.612 767 178003 J14310-5-017DMD These pistons are designed to fit the standard Newberry alcohol combination with a 1.094 wrist pin. The ring grooves are precision machined to accept Dykes D017 top rings, 1/16 second ring, and 3/16 oil rings (part number J14310-5-017DMD). Pins, buttons, and rings must be purchased separately. BLOWN ALCOHOL Bore Size Compression Distance Gram Weight Part Number Top Ring *4.500 bore sizes use a J100F8 ring prefix, not a JP00F8

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