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& Performance Parts, Factory Tools & Manuals
for Classic British Motorcycles.
Over 34,000 Parts available in our database and over 200 On-line for Triumph, Norton, & BSA
TRIUMPH 530 BIG BORE KIT
for 500 TWINS 1967-74
$545.00USD
SOLD OUT
Assembly is straight forward and well within the scope of the
average British cycle enthusiast. High quality parts and comes
with everything you need including a topend gasket set.  
RETAIL COST: $599.95 - AERCO
Bolt-on kit includes:
1 Cast Iron Cylinder (Made in England)
2 Pistons, rings, wrist pins, and cir-clips
1 Top End Gasket Set
Shipping: Included lower 48 States.  Otherwise
billed separately.
TRIUMPH 750 BIG BORE KIT
for 650 TWINS 1966-74
PRE SALE  ***SHIPPING OUT JAN 16!***
$619.00USD
FINALLY BACK IN
STOCK!!!
Assembly is straight forward and well within the scope of
the average British cycle enthusiast. High quality parts and
comes with everything you need including a topend gasket
set.  
RETAIL COST: $749.95 - AERCO, MADE IN THE UK
Bolt-on kit includes:
1 Cast Iron Cylinder (Made in England)
2 Pistons, rings, wrist pins, and cir-clips
1 Top End Gasket Set
Shipping: Included lower 48 States.  Otherwise billed
separately.
TRIUMPH 750 BIG BORE KIT
for 650 TWINS
$694.00USD
SOLD OUT
Bolt-on kit includes:
1 Cast Iron Cylinder (Made in England)
2 Pistons, rings, wrist pins, and cir-clips
Shipping: Included lower 48 States.  Otherwise billed
separately.
Triumph Unit or Pre Unit motor (9 stud head to be used on
the latter) without any alterations to any of the standard
parts.
RETAIL COST: $799.00 - MORGO
   
 
 
Quantity:
   
Addtional Options
Top End Gasket Set
 
Quantity:
   
 
 
Quantity:
TRIUMPH 750 BIG BORE KIT
for 650 TWINS (Cast Aluminum)
$1185.00USD
SOLD OUT UNTIL FALL
Triumph Unit or Pre Unit motor (9 stud head to be used on
the latter) without any alterations to any of the standard parts.
FEATURES:
* Sandcast Alloy 356 Aluminum Block
* Centrifugally Cast Iron Sleeves by Northwest Sleeve
* Better Heat Transfer From Piston To Block = Detonation
Resistant Engine
* Tighter Clearances = Better Sealing = More Power
* 7 lbs. Lighter Than Stock Iron Block
* Bolt-on: No Modification to Cases Necessary
* Exhaust Tappet Oil Feed Retained
* For An Additional Charge, We Offer Total Seal™ "Gapless"
2nd Ring Technology Which Provides Superior Sealing,
Raising Effective Compression & Providing More Manifold
Vacuum.
* Block warranted against mechanical defect for 1 year
- P. Brown, USA Made
Bolt-on kit includes:
Alloy Cylinder Block (Made in USA)
Strong, Wear-Resistant Alloy 7075 Tappet Guide
Blocks (Installed)
Cast Pistons, Rings, Wrist Pins, and Clips
Recoil® 3/8-26 BSC Inserts Installed In Head
Stud Holes

Shipping: Included lower 48 States.  Otherwise
billed separately.

Note: Raising manifold vacuum may result in
mixture changes. Be prepared to re-jet
carburetors. It is strongly recommended that a
quality valve job be performed and Total Seal™
recommends the installation of positive style
valve guide seals to prevent oil from possibly
being drawn through the guides due to
increased intake stroke efficiency.
34,000 British Mortorcycle Parts Resource
     
Options and Accessories
Kit w/ Total Seal™
"Gapless" 2nd Rings
Top End Gasket Set
 
Quantity:
 
TRIUMPH T140 BLOCK KIT
for 750cc TWINS (Cast Aluminum)
$1150.00USD
SOLD OUT UNTIL FALL
Triumph Unit or Pre Unit motor (9 stud head to be used on
the latter) without any alterations to any of the standard parts.
FEATURES:
* Sandcast Alloy 356 Aluminum Block
* Centrifugally Cast Iron Sleeves by Northwest Sleeve
* Better Heat Transfer From Piston To Block = Detonation
Resistant Engine
* Tighter Clearances = Better Sealing = More Power
* 7 lbs. Lighter Than Stock Iron Block
* Bolt-on: No Modification to Cases Necessary
* Exhaust Tappet Oil Feed Retained
* For An Additional Charge, We Offer Total Seal™ "Gapless"
2nd Ring Technology Which Provides Superior Sealing,
Raising Effective Compression & Providing More Manifold
Vacuum.
* Block warranted against mechanical defect for 1 year
- P. Brown, USA Made
Bolt-on kit includes:
Alloy Cylinder Block (Made in USA)
Strong, Wear-Resistant Alloy 7075 Tappet Guide
Blocks Installed
Cast Pistons, Rings, Wrist Pins, and Clips
Helicoil® Inserts Installed In Head Stud Holes
Exhaust Tappet Oil Feed Retained

Shipping: Included lower 48 States.  Otherwise
billed separately.

Note: Raising manifold vacuum may result in
mixture changes. Be prepared to re-jet
carburetors. It is strongly recommended that a
quality valve job be performed and Total Seal™
recommends the installation of positive style
valve guide seals to prevent oil from possibly
being drawn through the guides due to
increased intake stroke efficiency.
34,000 British Mortorcycle Parts Resource
     
Options and Accessories
Kit w/ Total Seal™
"Gapless" 2nd Rings
Top End Gasket Set
 
Quantity:
 
   
Addtional Options
Top End Gasket Set
 
Quantity:
TRIUMPH T120/T140 "Shortrod" KIT
for 650cc and 750cc TWINS (Cast Aluminum)
by NiCom®
$1349.00USD
SOLD OUT UNTIL
FALL
Triumph Unit or Pre Unit motor (9 stud head to be used on
the latter) without any alterations to any of the standard parts.
FEATURES:
* One-Piece Casting, All Aluminum- No Sleeves
* 9 lbs. Lighter Than Stock Iron Cylinder Block
* Better Heat Transfer, Higher Wear Resistance Than
Blocks With Iron Sleeves
* Requires Boring Cases .060 Larger to Accommodate
Spigots
* Block warranted against mechanical defect for 1 year
* NiCom® warranted against failure for 1 year
* Block warranted against mechanical defect for 1 year
Shipping: Included lower 48 States.  Otherwise
billed separately.
34,000 British Mortorcycle Parts Resource
     
Options and Accessories
Kit w/ Total Seal™
"Gapless" 2nd Rings
Top End Gasket Set
 
Quantity:
 
BIG BORE KITS

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