“Hastings Piston Rings Bore 3,760″ (95,504 mm ) Compression rings: 4 – 1.5MM, oil segment: 2 – 2.5MM +.010 mm Moly 1584 ccm (96 cui) 890440” has been added to your cart. View cart

“Wiseco Black Edition Piston Kit for Twin Cam Stroke 4,375″ Bore 3,937″ (100,000 mm ), Positive Dome +0,0cc 10.5:1 Std. 912986” has been added to your cart. View cart

“Ultima 50 – Early 79 Big Twin Breather Valve Washer Assortment Kit Contains .110,.115,.120,.125 Washer 919879” has been added to your cart. View cart

“Hastings Piston Rings Stroke 4,250″ Bore 3,518″ (89,3572 mm ) Compression rings: 4 – 1/16, oil segment: 2 – 3/16 9.5:1 +.020 mm Cast Iron 1340 ccm (80 cui) 23048” has been added to your cart. View cart