Harley Ironhead Sportster 1972-1985 +.020 Cast Piston Hastings Rings 9.5:1 Ratio

Harley Ironhead Sportster 1972-1985 +.020 Cast Piston Hastings Rings 9.5:1 Ratio

62510/63502
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  • HARLEY IRONHEAD SPORTSTER 1972-1985 +.020 CAST PISTON HASTINGS RINGS 9.5:1 RATIO

  • 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 (CAST)
61CI - 1000CC STD DISPLACEMENT
9.5:1 (STD. COMPRESSION) RATIO
+.020" OS BORE SIZE
FITS IRONHEAD SPORTSTER 1972/1985
(IMPORTED)
  • HASTINGS HAS BEEN PRODUCING TOP QUALITY RINGS SINCE 1923 FOR MAJOR MANUFACTURERS INCLUDING HARLEY-DAVIDSON®
  • RING SETS ARE AVAILABLE WITH YOUR CHOICE OF MOLY TOP RINGS OR CAST TOP RINGS
  • THE MOLY TYPE TOP RING FEATURES A MOLY COATING ON THE RING FACE THAT HELPS REDUCE FRICTION WHILE EXTENDING THE WORKING LIFESPAN OF THE RING. LONGER BREAK-IN TIME IS REQUIRED FOR THIS TYPE OF RING AND IT IS BEST SUITED FOR CYLINDERS WITH A FRESH BORE
  • THE CAST TYPE TOP RING REQUIRES LESS BREAK-IN TIME AND IS BEST SUITED FOR CYLINDERS THAT HAVE BEEN FRESHLY DEGLAZED
  • ALL MIDDLE RINGS ARE THE CAST TYPE WITH A REVERSE TORSIONAL STYLE AND A TAPER FACE FOR EXCELLENT COMPRESSION RETENTION WHILE PROVIDING ADDITIONAL OIL CONTROL
  • THE 3 PIECE FLEX-VENT® BOTTOM RINGS FEATURE LIGHTWEIGHT CHROME PLATED RAILS WITH SEPARATOR RING THAT PROVIDES EXACT CYLINDER WALL TENSION AND OIL CONTROL
  • HASTINGS IS A QS-9000 CERTIFIED COMPANY THAT PROVIDES THE UTMOST IN QUALITY CONTROL WITH PRODUCT THAT CAN BE TRACED ALL THE WAY BACK TO THE FOUNDRY , WHERE THE RAW METAL WAS PRODUCED TO THE FINISHED PART
  • INCLUDES INSTALLATION INSTRUCTIONS
  • SOLD IN SETS FOR 2 PISTONS
RING TYPE & WIDTH
RING TYPE
MOLY TOP RING
CAST TOP RING
CAST MIDDLE RING
CHROME BOTTOM RING
A 1/16" --- 1/16" 3/16"
D --- 1/16" 1/16" 3/16"
E 1.5 MM --- 1.5 MM 1.75 MM
F --- 1/16" 1/16" 5/32"
G 1/16" --- 1/16" 5/32"
H 1.5 MM --- 1.5 MM 3 MM
I 1.5 MM --- 1.5 MM 2.5 MM
J 1.2 MM --- 1.2 MM 2.5 MM
FITS SPORTSTER IRONHEAD 1972/EARLY 1985. 1000CC & 3.188 (3 3/16"). +.020". RING TYPE D. CAST TOP RING.