#2 – Reduced shank twin fluted British ARP 3/8″ x 26 tpi SS head bolts for STOCK CYLINDERS
$129.00
High strength ARP stainless.
Continue shopping “Aluminum fork sleeves and oil hole plugs provide hydraulic bump stop to eliminate top out and bottoming clunk (does not restrict fork travel). Slit for hand press fit so they stay in place.” has been added to your cart.
Continue shopping “Upgrade your Beehive springs or Beehive spring and valve kit to stage 2 for extreme racers only” has been added to your cart.
Continue shopping “Four guide spacers for 850 and Full Auto heads wire clip guides with JSM spring bottom washers” has been added to your cart.
Continue shopping “Special short lash cap set to fit valve tips for JS Beehive springs. For those who modify their own valves without stellite tips. Also fits stock valves (not necessary for stellite tipped JS valves).” has been added to your cart.
Continue shopping “Black diamond stock size valve set for JS Beehive valve springs only. Smaller Domni valves available on special order.” has been added to your cart.
Continue shopping “Four Banded Viton valve guide seals – install by hand.” has been added to your cart.
Continue shopping “Plumbing kit for smoothbore carbs including high quality heavy wall polyurathane fuel line, 90 deg filter and T fitting, petcocks not included.” has been added to your cart.
Continue shopping “K&N aircleaner for Keihin smoothbore carbs (won’t fit Atlas oil tanks)” has been added to your cart.
Continue shopping “Norton race manual. From crank strengthening & balancing to porting, megaphones and much more, a must for every Norton racer and engine builder.” has been added to your cart.
Continue shopping “Crank stub Viton Oring to prevent crank main seal blow out from wet sumping” has been added to your cart.
Continue shopping “Narley port CD with over 50 photos and drawings of high flow ports. “Full Auto”, “Axtell”, “Harley XR 750” and stock Norton ports included. A Street version is also included with suggestions for re-angled valves or stock size valves. AutoCad 2000 or later required to view the drawings.” has been added to your cart.
Continue shopping “Norton Monoshock Racing Chassis plans CD of one of the fastest Norton roadracers ever built and the last Norton to get on the AMA podium (3rd place BOTT at Willow springs in 1990). Autocad 2000 or later is required to view the drawings” has been added to your cart.
Continue shopping “One piece aluminum rocker spindle covers with SS allen screws & alum washers (see silicone gaskets)” has been added to your cart.
Continue shopping “Oil tight oversize Viton Orings for engine sump plug and transmission.” has been added to your cart.
HIGH-PERFORMANCE
PARTS
FOR NORTON TWINS
PARTS
FOR NORTON TWINS
JS Motorsport
- phone/text 559 875 0659
- 4480 North Academy Avenue
Sanger, CA 93657