Hastings, Piston Rings Stroke 4,250″ Bore 3,498″ (88,8492 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9.5:1 Std. Moly 1340 ccm (80 cui), 78-83 FL Shovel, 78-83 FX Shovel
Hastings, Piston Rings Stroke 3,500″ Bore 3,228″ (81,9912 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9:1 +.040 mm Moly 1000 ccm (61 cui), 72-80 XL, 72-80 XLCH, 72-85 XLH, 77-78 XLCR, 79-85 XLS, 81-85 XLX
Hastings, Piston Rings Bore 3,503″ (88,9762 mm ) Compression rings: 1-1.2 mm, oil segment: 1-2,5 mm +.005 mm Moly, 04-20 Sportster
RevTech, Piston Ring Set +030, 80-84 FX Shovel, 78-84 FL Shovel, 85-94 FX Model, 91-98 Dyna, 84-99 Softail, 85-98 Touring, 97-02 M2, 97-98 S1, 97-99 S3, 99-02 X1, 88-02 XLH1200, 96-03 XL1200C, 96-03 XL1200S
Hastings, Piston Rings Stroke 4,250″ Bore 3,508″ (89,1032 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 5/32 9.5:1 +.010 mm Cast Iron 1340 ccm (80 cui), 88-03 Sportster, 83-84 FL Shovel, 83-84 FX Shovel, 85-94 FX Model, 91-98 Dyna, 84-99 Softail, 85-98 Touring
Hastings, Piston Rings Bore 3,498″ (88,8492 mm ) Compression rings: 1-1.2 mm, oil segment: 1-2,5 mm Std. Moly, 04-20 Sportster
Hastings, Piston Rings Bore 3,895″ (98,933 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 2.5MM +.020 mm Moly 1690 ccm (103 cui), 07-17 Dyna, 07-17 Softail, 07-16 Touring, 09-16 Trike
Hastings, Piston Rings Stroke 3,812″ Bore 3,000″ (76,2 mm ) Compression rings: 2 – 1.5MM, oil segment: 1 – 2.8MM 9:1 Std. Moly 883 ccm (54 cui), 86-03 XLH883, 98-04, 07 XL53C, 00-03 XL883H, 02-03, 05-08, 10-15 XL883R, 04-09 XL883, 05-20 XL883L, 05-06 XL(H)53C, 08-10 XL883C, 09-20 XL883N
Hastings, Piston Rings Stroke 3,698″ Bore 3,468″ (88,0872 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 8.5:1 +.030 mm Cast Iron 1200 ccm (73 cui), 48-65 Panhead, 66-77 FL Shovel, 71-77 FX Shovel
Hastings, Piston Rings Bore 3,880″ (98,552 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 +.005 mm Moly, 99-17 Dyna, 00-15 Softail, 99-11 Touring
Hastings, Piston Rings Stroke 3,698″ Bore 3,458″ (87,8332 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 8.5:1 +.020 mm Cast Iron 1200 ccm (73 cui), 48-65 Panhead, 66-77 FL Shovel, 71-77 FX Shovel
Wiseco, Moly Replacement Piston Ring Set +.050 mm 1200 ccm (73 cui), 66-77 FL Shovel, 71-77 FX Shovel
Hastings, Piston Rings Stroke 4,250″ Bore 3,498″ (88,8492 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9.5:1 Std. Moly 1340 ccm (80 cui), 78-83 FL Shovel, 78-83 FX Shovel
Hastings, Piston Rings Stroke 3,500″ Bore 3,228″ (81,9912 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9:1 +.040 mm Moly 1000 ccm (61 cui), 72-80 XL, 72-80 XLCH, 72-85 XLH, 77-78 XLCR, 79-85 XLS, 81-85 XLX
Hastings, Piston Rings Bore 3,503″ (88,9762 mm ) Compression rings: 1-1.2 mm, oil segment: 1-2,5 mm +.005 mm Moly, 04-20 Sportster
RevTech, Piston Ring Set +030, 80-84 FX Shovel, 78-84 FL Shovel, 85-94 FX Model, 91-98 Dyna, 84-99 Softail, 85-98 Touring, 97-02 M2, 97-98 S1, 97-99 S3, 99-02 X1, 88-02 XLH1200, 96-03 XL1200C, 96-03 XL1200S
Hastings, Piston Rings Stroke 4,250″ Bore 3,508″ (89,1032 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 5/32 9.5:1 +.010 mm Cast Iron 1340 ccm (80 cui), 88-03 Sportster, 83-84 FL Shovel, 83-84 FX Shovel, 85-94 FX Model, 91-98 Dyna, 84-99 Softail, 85-98 Touring
Hastings, Piston Rings Bore 3,498″ (88,8492 mm ) Compression rings: 1-1.2 mm, oil segment: 1-2,5 mm Std. Moly, 04-20 Sportster
Hastings, Piston Rings Bore 3,895″ (98,933 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 2.5MM +.020 mm Moly 1690 ccm (103 cui), 07-17 Dyna, 07-17 Softail, 07-16 Touring, 09-16 Trike
Hastings, Piston Rings Stroke 3,812″ Bore 3,000″ (76,2 mm ) Compression rings: 2 – 1.5MM, oil segment: 1 – 2.8MM 9:1 Std. Moly 883 ccm (54 cui), 86-03 XLH883, 98-04, 07 XL53C, 00-03 XL883H, 02-03, 05-08, 10-15 XL883R, 04-09 XL883, 05-20 XL883L, 05-06 XL(H)53C, 08-10 XL883C, 09-20 XL883N
Hastings, Piston Rings Stroke 3,698″ Bore 3,468″ (88,0872 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 8.5:1 +.030 mm Cast Iron 1200 ccm (73 cui), 48-65 Panhead, 66-77 FL Shovel, 71-77 FX Shovel
Hastings, Piston Rings Bore 3,880″ (98,552 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 +.005 mm Moly, 99-17 Dyna, 00-15 Softail, 99-11 Touring
Hastings, Piston Rings Stroke 3,698″ Bore 3,458″ (87,8332 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 8.5:1 +.020 mm Cast Iron 1200 ccm (73 cui), 48-65 Panhead, 66-77 FL Shovel, 71-77 FX Shovel
Wiseco, Moly Replacement Piston Ring Set +.050 mm 1200 ccm (73 cui), 66-77 FL Shovel, 71-77 FX Shovel