Description
Weight: 1.28 The centerpiece of both kits are the advanced COMP ® Beehive ™ Valve Springs, which deliver a host of well documented benefits over conventional valve springs With the limited valve spring installed height of the Harley V-Twin engine, small spring pocket and today’s higher lift cams, the VThunder engineers faced a challenge in designing an all-inclusive kit that would provide proper installation fo the Beehive ™ Valve Springs After extensive testing and research, the proper combination of parts has been identified and is now available Both kits utilize the Beehive ™ Valve Springs, but the 61378 kit allows for use of the stock 7mm valves and stock locks and the 61377 kit is designed for 5/16″ valves and includes high performance 10° Super Locks ™ for added strength Spring Specifications: 1.185″/1.454″ O.D. .731″/1.00″ I.D. 160# @ 1.800″ (.650 Lift) 140# @ 1.850″ (.700 Lift) 400# @ 1.150″ Coil bind 1.100″ Spring rate 400 V-Thunder Fits Big Twin Evolution 1984/1999, Twin Cam 1999/2004 & Sportster 1986/2003 By: COMPETITION CAMS
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