1984-2001 1200 Sportster      Select Another New Engine 1984-2001 1200 Sportster 1986-2004 883 Sportster Flat Track 1985-2004 883/1200 Sportster Conversion Kit Buell S1, White Lightning-S3/S3T, Thunderbolt - 101hp w/Thunderstorm Heads 1985-1999 EVO 1985-1999 EVO 1985-1999 EVO Big Bore Kits 1985-1999 EVO 1985-1999 EVO 1985-1999 EVO Bathtub (Fits STD Brand Heads Only) 1985-1999 EVO Bathtub Big Bore (Fits STD Brand Heads Only) 1985-1999 EVO Bathtub Big Bore (Fits STD Brand Heads Only) 1978-1984 Shovelhead 80" 1978-1984 Shovelhead 80" 1978-1984 Shovelhead 89" S&S 113" 1999-2006 Twin Cam 1999-2004 Twin Cam Big Bore 1999-2004 Twin Cam Big Bore 2007-2008 Twin Cam 96" 2007-2008 Twin Cam 103"

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

Std Bore: 3.498"

Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve # 1200cc 3.498" STD 133736 9:1 338g Round J140F1-3498 791-2500-14-51C 787-050-MW JC9689 Deglaze Only 1205cc 3.503" +.005" 133737 9:1 339g Round J140F1-3503 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1208cc 3.508" +.010" 133738 9:1 341g Round J140F1-3508 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1214cc 3.518" +.020" 133739 9:1 346g Round J140F1-3518 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1222cc 3.528" +.030" 133740 9:1 349g Round J140F1-3528 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1200cc 3.498" STD 132985 10.5:1 346g Round J140F1-3498 791-2500-14-51C 787-050-MW JC9689 Deglaze Only 1205cc 3.503" +.005" 132986 10.5:1 350g Round J140F1-3503 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1208cc 3.508" +.010" 132987 10.5:1 358g Round J140F1-3508 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1214cc 3.518" +.020" 132988 10.5:1 354g Round J140F1-3518 791-2500-14-51C 787-050-MW JC9689 Bore & Hone 1222cc 3.528" +.030" 132989 10.5:1 358g Round J140F1-3528 791-2500-14-51C 787-050-MW JC9689 Bore & Hone

- 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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