883 to 1200cc Conversion Kit for 1986-2019 HD® Sportster® Models - Silver Finish883 to 1200cc Conversion Kit for 1986 2019 HD Sportster Models Silver Finish Did you buy a 883 originally and now are looking for more power? Tired of getting beat up at stop lights by your buddies 1200's? Boost any 883cc Sportster to 1200cc. No machine shop? No problem, no machining is needed. No cylinder head modification is required. The dished piston dome keeps compression down to a streetable 9. 4: 1 with stock 883cc heads. Installing this kit

They expanded this change in diameter to even more (not all) Touring models in 2024

Compatible with most OEM and aftermarket fuel tanks

most complete

75" diameter

Moto Iron™ Front 40 Spoke Spool Wheel Hub (3/4" Bearings) Harley Axle

XG Street 500 &750 Models

and FXR motorcycles

2011 - FLHRC Road King Classic

Left-side filler is female 1/4” NPT to accept many popular petcocks

Body measures 1 5/8" long

Patented design—10

Also useful when a longer pushrod is needed for stroker engines