Products
Showing all 57 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 longer JS Ultralight Carrillo rods or stock rods, contact us for price (special order). Some 650 pistons may be in stock at $549 a pair.
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Complete set of two forged Norton pistons 750 to 1000cc for stock Norton rods (special order). Contact us for 500 to 650 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 Triumph or 500/600cc Domni rods)
$649.00 Add to cart -
Two regular style piston ring replacement sets for JSM 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 JSM 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 JSM 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 JSM lightweight radiused lifters and radiused cam only
$149.00 Select options -
Beehive valve spring set without valves (fits JSM 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 -
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
$219.00 Select options -
Four Banded Viton valve guide seals – install by hand.
$12.00 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.
$8.00 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
$29.00 Select options -
Custom Thickness Copper Head Gasket (add pliobond sealant – not included)
$39.00 Select options -
High compression .003″ thin head gasket ring set (add pliobond sealant).
$29.00 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.
$149.00 Select options -
Top Aluminum fork sleeves to eliminate top out clunk
$28.00 Select options -
Bottom Aluminum fork sleeves for early models provide hydraulic bump stop to eliminate bottom clunk.
$10.00 Add to cart -
Fork extensions for Turcite or original bronze bushings for smoother action (bushings not included)
$79.00 Select options -
Fork extensions with slippery Turcite bushings for smoother action
$199.00 Select options -
Fork extensions with Teflon upper and lower bushings for smoother action
$169.00 Select options -
7″ Wrench for fork extensions with 4mm pin
$19.00 Add to cart -
Damper upgrade kit for Norton Commando 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 (or online drawing converter) 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 -
TEMPORARILY OUT OF STOCK – Joe Hunt magneto for Norton Atlas and Dominators
$829.00 Add to cart -
TEMPORARILY OUT OF STOCK Joe Hunt Magneto for Norton Commandos
$969.00 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).
$249.00 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 -
Intake port sleeves for converting 32mm 850 RH4 heads to 30mm RH10 ports for improved perfomance. Also works for Combat heads.
$19.00 Add to cart -
CLEARANCE ITEM – Joe Hunt magneto coil. Excellent used condition (tested).
$50.00 Add to cart
Showing all 57 results
