Products
Showing all 54 results
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You will see shipping options and costs at checkout before committing to buy. If actual shipping comes out cheaper we will refund the difference. Remote areas may increase costs (we will notify you). USPS international is slower and less reliable.
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Complete set of two Norton lightweight pistons 750 to 1007cc. For JSM longer rods.
$449.00 Select options -
Complete set of two Norton Ultra Hi CR domed pistons 750 to 850cc. For JSM longer rods.
$549.00 Select options -
Complete set of two Dominator 500 to 650 JE pistons for JS Ultralight Carrillo rods only, contact us for price, details and stock rod pistons (all special order).
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Complete set of two forged Norton pistons 750 to 1000cc for stock Norton rods (special order). Contact us for Dominator sizes.
$449.00 Select options -
Graphite Piston skirt coating for two pistons. More durable than Molly and other coatings. Recommended for all pistons for tighter installation clearance, reduced friction and longer life.
$119.00 Add to cart -
Two 6.4″ long Carrillo rods for standard 89mm stroke (6.57″ length for 80.4mm short strokes are special order). For JS pistons only.
$649.00 Add to cart -
Two Ultralightweight 6.4″ long Carrillo rods for JS pistons only in 750cc solid frames, Atlas and 650cc Dominators, (contact us for 500/600cc Domni rods)
$649.00 Add to cart -
Two regular style piston ring replacement sets for JS lightweight pistons only
$59.00 Select options -
Totalseal type gapless ring upgrade for two pistons. You must add this option to your order of regular rings or pistons. Expect improved compression/sealing and reduced oil consumption. Because of increased vacuum its important to use JS spring loaded guide seals.
$59.00 Add to cart -
Two high strength .708″ DLC pins (diamond like coating)
$149.00 Select options -
Wrist pin clip set for two JS lightweight pistons
$10.00 Add to cart -
Radius cam for use with JS lightweight radiused lifters or stock lifters radiused to 1-1/8″
$449.00 Select options -
JS radiused cam drop in kit. We regrind your original lifters, use your original pushrods.
$649.00 Select options -
Complete cam kit with lifters, blocks and pushrods for Commando, Atlas/Domni
$1,049.00 Select options -
Bronze lifter blocks (2) for lightweight radiused lifters and JS radiused cams, (lifters not included). Oil holes drain directly onto cam lobes for increased life
$149.00 Select options -
Norton pushrod set to be used with JS lightweight radiused lifters and radiused cam only
$149.00 Select options -
Beehive valve spring set without valves (fits JS valves only)
$199.00 Select options -
High performance stock size Black Diamond valve & Beehive spring kit
$339.00 Select options -
High performance Big valve & Beehive spring kit
$389.00 Select options -
Upgrade your Beehive springs or Beehive spring and valve kit to stage 2 for extreme racers only
$19.00 Add to cart -
Valve spring shims (4) for balancing, 2 different thicknesses available, fits all
$5.00 Select options -
Valve spring bottom washers (4) for Beehive springs only, 3 different thicknesses available
$29.00 Select options -
Black diamond stock size valve set for JS Beehive valve springs only. Smaller Domni valves available on special order.
$149.00 Add to cart -
Black diamond or Tuftrided Big valve set for JS Beehive valve springs only
$219.00 Select options -
Four Banded Viton valve guide seals – install by hand.
$12.00 Add to cart -
Four guide spacers for 850 and Full Auto heads wire clip guides with JSM spring bottom washers
$39.00 Add to cart -
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).
$14.00 Add to cart -
Oil tight oversize Viton Orings for engine sump plug and transmission.
$7.00 Add to cart -
Crank stub PTO Viton Oring to prevent crank main seal blow out from wet sumping
$1.00 Add to cart -
Custom Copper Base gasket for Norton Twins
$29.00 Select options -
Custom Thickness Copper Head Gasket for Norton twins (add pliobond sealant)
$39.00 Select options -
High compression .003″ thin head gasket ring set (add pliobond sealant).
$30.00 Select options -
High temp sealant for copper gaskets. Apply to each surface. The best head gasket sealer you can get.
$9.00 Add to cart -
Super slippery longer lasting Turcite bushings for Norton forks. Also see alum sleeves.
$159.00 Select options -
Top Aluminum fork sleeves and oil hole plugs provide hydraulic bump stop to eliminate top out clunk (does not restrict fork travel). Slit for hand press fit so they stay in place.
$28.00 Add to cart -
Bottom Aluminum fork sleeves for early models provide hydraulic bump stop to eliminate bottom clunk.
$16.00 Add to cart -
Damper upgrade kit for Norton Roadholder forks
$79.00 Add to cart -
One piece aluminum rocker spindle covers with SS allen screws & alum washers (see silicone gaskets)
$49.00 Add to cart -
Sump reed valve breather
$299.00 Select options -
One way case reed valve breather
$199.00 Select options -
Fiberglass reinforced silicone gaskets – the ultimate gasket solution
Select Options -
Norton race manual. From crank strengthening & balancing to porting, megaphones and much more, a must for every Norton racer and engine builder.
$25.00 Add to cart -
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
$10.00 Add to cart -
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.
$10.00 Add to cart -
High strength ARP stainless reduced shank studs and bolts for head and cylinders.
Select Options -
Joe Hunt magneto for Norton Atlas and Dominators
$795.00 Add to cart -
Joe Hunt Magneto for Norton Commandos
$895.00 Add to cart -
Add this option when ordering a JS Commando timing cover mag and a special retard lever will be installed and bench tested. Flipping lever retards it 20 deg for starting (available only from JSmotorsport).
$199.00 Add to cart -
Keihin 33mm CRS carb kit for Commandos or Featherbeds.
$1,079.00 Select options -
Plumbing kit for smoothbore carbs including ethanol resistant Tygon 4040 fuel line, 90 deg filter and T fitting, petcocks not included.
$19.00 Add to cart -
Aircleaner for Keihin smoothbore carbs (won’t fit Atlas oil tanks)
$75.00 Add to cart -
Billet curved or straight intake manifolds (2) with balance tubes
$149.00 Select options -
CLEARANCE ITEM – Joe Hunt magneto coil. Good used condition (tested).
$50.00 Add to cart
Showing all 54 results
