![Piston Cast 8.5:1 +.060"Os Big Twin 1200Cc W / Pin & Lock Rings 3-7 / 16" Std Bore Std Comp](http://widowmakersboneyard.com/cdn/shop/products/0069248_0_e3423047-85dc-43a8-ac4b-bcde8a6dfff1_{width}x.jpg?v=1575402279)
V-FACTOR CAST PISTON KITS FOR HARLEY DAVIDSON BIG TWIN & SPORTSTER
WEIGHT: 1.55- 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
74CI - 1200CC STD DISPLACEMENT
8.5:1 (STD. COMPRESSION) RATIO
+.060" OS BORE SIZE
FITS BIG TWIN PANHEAD/SHOVELHEAD
(IMPORTED)