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1978-1984 Shovelhead 80" & 89

  • Machined from 2618 T6 high tensile forged aluminum

  • Dome/Dish features smooth flowing radii and require no deburring or preparation

  • JE designs are specifically engineered for extreme applications including professional competition

  • Pins, pin fitment, lock and rings included
1978-1984 Shovelhead 80" & 89 - Std Bore: 3.625"
4.250" Stroke
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
138673 1438cc 3.625" STD 10.5:1 456 Round J150F1-3625 791-2500-14-51C 787-050-MW JC9713
138675 1453cc 3.635" +.010" 10.5:1 454 Round J160F1-3635 791-2500-14-51C 787-050-MW JC9713 M


1978-1984 Shovelhead 80" & 89 - Std Bore: 3.498" 1
4.250" Stroke
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
135846 1342cc 3.503" +.005" 9.5:1 424 Round J140F1-3503 791-2500-14-51C 787-050-MW JC9799 L
135848 1353cc 3.518" +.020" 9.5:1 432 Round J140F1-3518 791-2500-14-51C 787-050-MW JC9799 M
135849 1361cc 3.528" +.030" 9.5:1 434 Round J140F1-3528 791-2500-14-51C 787-050-MW JC9799 M


1978-1984 Shovelhead 80" & 89 - Std Bore: 3.498" 2
4.250" Stroke
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
133443 1342cc 3.503" +.005" 10.5:1 448 Round J140F1-3503 791-2500-14-51C 787-050-MW JC9799 M
133444 1345cc 3.508" +.010" 10.5:1 448 Round J140F1-3508 791-2500-14-51C 787-050-MW JC9799 L
133446 1361cc 3.528" +.030" 10.5:1 461 Round J140F1-3528 791-2500-14-51C 787-050-MW JC9799 L

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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