BEEHIVE VALVE SPRING KIT BT EVO ITC 99/04,EVO SPT 86/03 STEEL VALVE COLLARS 9708-KIT

BEEHIVE VALVE SPRING KIT BT EVO ITC 99/04,EVO SPT 86/03 STEEL VALVE COLLARS 9708-KIT

61377
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BEEHIVE VALVE SPRING KITS FOR EVOLUTION MODELS & TWIN CAM

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

MANUFACTURER:

MFG#:

HD CROSS REFERENCE#: