![Piston 8.5:1 Std Bore Cast XL 72 / 85 100Cc W / Wrist Pin And Clips](http://widowmakersboneyard.com/cdn/shop/products/0070157_0_46a3c18c-cc3d-4530-b13e-e366d71f2c1f_{width}x.jpg?v=1575434774)
V-FACTOR CAST PISTON KITS FOR HARLEY DAVIDSON BIG TWIN & SPORTSTER
WEIGHT: 1.11- HIGH QUALITY CAST PISTON KITS THAT MEET OR EXCEED ORIGINAL EQUIPMENT SPECIFICATIONS
- COMPRESSION RATIO LISTED WITH EACH PISTON
- SOLD EACH WITH PISTON PIN AND LOCK RINGS
- LOW COMPRESSION PISTONS ENABLE THE USE OF PUMP GAS WITHOUT DETONATION
- SEE THE ENGINE SECTION FOR PISTON RING SETS
- MOLY PART NUMBERS HAVE MOLYBDENUM COATED SHIRTS TO HELP PREVENT CYLINDER WALL SCUFFING
- NOTE: * IT IS NOT RECOMMENDED TO BORE SPORTSTER 1972/EARLY 1973 MODELS MORE THAN .030" OS
* V-FACTOR
61CI - 1000CC STD DISPLACEMENT
8.5:1 (LOW COMPRESSION) RATIO
3 3/16" STD BORE SIZE
FITS IRONHEAD SPORTSTER 1972/1985
(IMPORTED)