- Overall length 72mm

86-98 XL Sportster

08-10 Buell 1125R/CR

and a high luster chrome finish

S&S Forged Piston Kit oversize .010" 1936-79 3-7/16" Motor delar Evo 84-99 - Overall length 72mmForged piston set. For 41 78 1200cc (74") Knuckle, Panhead, Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3 7 16" (1200cc) or 3 1 2" (1340cc) cylinders with stock 5. 330" length. Compression will be approx 8. 4: 1 with 4 1 2" stroke, 9. 4: 1 with 4 5 8 stroke and 10. 8 with 4 3 4" stroke. Piston dome volume 50cc. The advanced alloy and piston skirt profile for low noise and long engine life. Pistons include wrist pins, wrist