Hastings, Piston Rings Bore 3,760″ (95,504 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 3.0MM +.010 mm Moly 1450 ccm (88 cui), 99-06 Dyna, 00-06 Softail, 99-06 Touring
Hastings, Piston Rings Stroke 3,500″ Bore 3,198″ (81,2292 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9:1 +.010 mm Cast Iron 1000 ccm (61 cui), 72-85 Sportster
Hastings, Piston Rings Bore 3,755″ (95,377 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 3.0MM +.005 mm Moly 1450 ccm (88 cui), 99-06 Dyna, 00-06 Softail, 99-06 Touring
Hastings, Piston Rings Stroke 4,250″ Bore 3,528″ (89,6112 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 5/32 9.5:1 +.030 mm Moly 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
Wiseco, Moly Replacement Piston Ring Set Std., 07-17 Dyna, 07-24 Softail, 07-23 Touring, 09-18 Trike
Hastings, Piston Rings Bore 3,885″ (98,679 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 2.5MM +.010 mm Moly 1690 ccm (103 cui), 99-17 Dyna, 00-17 Softail, 99-16 Touring, 09-16 Trike
Hastings, Piston Rings Bore 3,875″ (98,425 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 Std. Moly, 99-17 Dyna, 00-15 Softail, 99-11 Touring
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
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 3,698″ 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 3,760″ (95,504 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 3.0MM +.010 mm Moly 1450 ccm (88 cui), 99-06 Dyna, 00-06 Softail, 99-06 Touring
Hastings, Piston Rings Stroke 3,500″ Bore 3,198″ (81,2292 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9:1 +.010 mm Cast Iron 1000 ccm (61 cui), 72-85 Sportster
Hastings, Piston Rings Bore 3,755″ (95,377 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 3.0MM +.005 mm Moly 1450 ccm (88 cui), 99-06 Dyna, 00-06 Softail, 99-06 Touring
Hastings, Piston Rings Stroke 4,250″ Bore 3,528″ (89,6112 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 5/32 9.5:1 +.030 mm Moly 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
Wiseco, Moly Replacement Piston Ring Set Std., 07-17 Dyna, 07-24 Softail, 07-23 Touring, 09-18 Trike
Hastings, Piston Rings Bore 3,885″ (98,679 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 2.5MM +.010 mm Moly 1690 ccm (103 cui), 99-17 Dyna, 00-17 Softail, 99-16 Touring, 09-16 Trike
Hastings, Piston Rings Bore 3,875″ (98,425 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 Std. Moly, 99-17 Dyna, 00-15 Softail, 99-11 Touring
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
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 3,698″ 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