Engine Parts

This is where it all begins; once the powerplant is happy, you can start motivating!

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Compression Release Kit, Valve, Cable or Lever
Old-style compression release kit. Get any of the three components separately, or as a complete kit. The valve has 14mm threads. See the drop-down menu for pricing details.
Compression Release Kit, Valve, Cable or Lever - $16.00
Old-style compression release kit. Get any of the three components separately, or as a complete kit. The valve has 14mm threads. See the drop-down menu for pricing details.
Motorcycle Model Any
Motorcycle Manufacturer Any
   
Compression Release Kit, Valve, Cable or Lever
Price $16.00
Description Old-style compression release kit. Get any of the three components separately, or as a complete kit. The valve has 14mm threads. See the drop-down menu for pricing details.
Motorcycle Model Any
Motorcycle Manufacturer Any
Copper Sealing Washer
Copper washers in three sizes for drain plugs, etc. Sold individually.
Copper Sealing Washer - $0.70
Copper washers in three sizes for drain plugs, etc. Sold individually.
Motorcycle Model Any
Motorcycle Manufacturer Any
   
Copper Sealing Washer
Price $0.70
Description Copper washers in three sizes for drain plugs, etc. Sold individually.
Motorcycle Model Any
Motorcycle Manufacturer Any
Gasket Sets
Gasket Sets - $12.00

Listed below are some of the gasket sets we have in stock. There is a broad array of applications readily available; if you don't see what you need, please call.

Gasket Sets - $12.00

Listed below are some of the gasket sets we have in stock. There is a broad array of applications readily available; if you don't see what you need, please call.

Motorcycle Model 9E-37A, Anglian, Any, B40, B44, B50, C15, Cota, G85, Hawkstone/MCS, MkIII, MkIV, Pursang, Sherpa T, Stormer, T100, T120, Tiger Cub, TL250, TR6, TY175, TY80
Motorcycle Manufacturer AJS, Any, BSA, Bultaco, Cotton, Greeves, Honda, Matchless, Montesa, Triumph, Villiers, Yamaha
   
Gasket Sets
Price $12.00
Description

Listed below are some of the gasket sets we have in stock. There is a broad array of applications readily available; if you don't see what you need, please call.

Motorcycle Model 9E-37A, Anglian, Any, B40, B44, B50, C15, Cota, G85, Hawkstone/MCS, MkIII, MkIV, Pursang, Sherpa T, Stormer, T100, T120, Tiger Cub, TL250, TR6, TY175, TY80
Motorcycle Manufacturer AJS, Any, BSA, Bultaco, Cotton, Greeves, Honda, Matchless, Montesa, Triumph, Villiers, Yamaha
Greeves Conrod Kit, Challenger
Reconditioned connecting rod for long-stroke 250cc Greeves engines (MX1-MX5), with new big-end assembly and small-end bushing. Requires a core exchange. Product appearance may vary slightly.
Greeves Conrod Kit, Challenger - $275.00
Reconditioned connecting rod for long-stroke 250cc Greeves engines (MX1-MX5), with new big-end assembly and small-end bushing. Requires a core exchange. Product appearance may vary slightly.
Motorcycle Model Challenger
Motorcycle Manufacturer Greeves
   
Greeves Conrod Kit, Challenger
Price $275.00
Description Reconditioned connecting rod for long-stroke 250cc Greeves engines (MX1-MX5), with new big-end assembly and small-end bushing. Requires a core exchange. Product appearance may vary slightly.
Motorcycle Model Challenger
Motorcycle Manufacturer Greeves
Greeves Conrod Kit, Griffon
Reconditioned connecting rod for Greeves Griffon engines (also MX4 360cc and MX6 250cc Challengers), with new big-end assembly and small-end bushing. Requires a core exchange. Product appearance may vary slightly.
Greeves Conrod Kit, Griffon - $275.00
Reconditioned connecting rod for Greeves Griffon engines (also MX4 360cc and MX6 250cc Challengers), with new big-end assembly and small-end bushing. Requires a core exchange. Product appearance may vary slightly.
Motorcycle Model Challenger, Griffon
Motorcycle Manufacturer Greeves
   
Greeves Conrod Kit, Griffon
Price $275.00
Description Reconditioned connecting rod for Greeves Griffon engines (also MX4 360cc and MX6 250cc Challengers), with new big-end assembly and small-end bushing. Requires a core exchange. Product appearance may vary slightly.
Motorcycle Model Challenger, Griffon
Motorcycle Manufacturer Greeves
Individual Cylindrical Rollers, Bearings
Separate rollers used in many classic-engine applications; consult your parts book or call for specifics. Your choice of sizes; sold individually.
Individual Cylindrical Rollers, Bearings - $0.70
Separate rollers used in many classic-engine applications; consult your parts book or call for specifics. Your choice of sizes; sold individually.
Motorcycle Model Anglian, Any, B25, B40, B44, B50, C15, Challenger, Gold Star, Hawkstone/MCS, HT5, Scottish
Motorcycle Manufacturer Any, Ariel, BSA, Cotton, Greeves, Matchless, Villiers
   
Individual Cylindrical Rollers, Bearings
Price $0.70
Description Separate rollers used in many classic-engine applications; consult your parts book or call for specifics. Your choice of sizes; sold individually.
Motorcycle Model Anglian, Any, B25, B40, B44, B50, C15, Challenger, Gold Star, Hawkstone/MCS, HT5, Scottish
Motorcycle Manufacturer Any, Ariel, BSA, Cotton, Greeves, Matchless, Villiers
Montesa Gearbox Fill Plug
Gray plastic plug to fit most Montesa engines
Montesa Gearbox Fill Plug - $8.00
Gray plastic plug to fit most Montesa engines
Motorcycle Model Cota
Motorcycle Manufacturer Montesa
   
Montesa Gearbox Fill Plug
Price $8.00
Description Gray plastic plug to fit most Montesa engines
Motorcycle Model Cota
Motorcycle Manufacturer Montesa
Oil Seal Set, BSA Unit Singles

Complete set of seals needed for an engine rebuild. For side-points models, specify 5/8"or 3/4"kickstart shaft.

Oil Seal Set, BSA Unit Singles - $15.00

Complete set of seals needed for an engine rebuild. For side-points models, specify 5/8"or 3/4"kickstart shaft.

Motorcycle Model B25, B40, B44, B50, C15
Motorcycle Manufacturer BSA
   
Oil Seal Set, BSA Unit Singles
Price $15.00
Description

Complete set of seals needed for an engine rebuild. For side-points models, specify 5/8"or 3/4"kickstart shaft.

Motorcycle Model B25, B40, B44, B50, C15
Motorcycle Manufacturer BSA
Oil Seals, Metric, Individual
Top-quality oil seals for a variety of applications. If you don't see what you need, or if you're unsure of the size required, please don't hesitate to contact us.
Oil Seals, Metric, Individual - $7.00
Top-quality oil seals for a variety of applications. If you don't see what you need, or if you're unsure of the size required, please don't hesitate to contact us.
Motorcycle Model #42, #48, #68, Alpina, Any, Matador, Metisse, Pursang, Sherpa T
Motorcycle Manufacturer Any, Bultaco
   
Oil Seals, Metric, Individual
Price $7.00
Description Top-quality oil seals for a variety of applications. If you don't see what you need, or if you're unsure of the size required, please don't hesitate to contact us.
Motorcycle Model #42, #48, #68, Alpina, Any, Matador, Metisse, Pursang, Sherpa T
Motorcycle Manufacturer Any, Bultaco

Made for model year 1960 and on, your choice of any compression ratio between 8.5:1 and 11:1. Most oversizes available, one-week lead time. Call for more information.

Piston Kit, Matchless G12 - $225.00

Made for model year 1960 and on, your choice of any compression ratio between 8.5:1 and 11:1. Most oversizes available, one-week lead time. Call for more information.

Motorcycle Model
Motorcycle Manufacturer Matchless
   
Piston Kit, Matchless G12
Price $225.00
Description

Made for model year 1960 and on, your choice of any compression ratio between 8.5:1 and 11:1. Most oversizes available, one-week lead time. Call for more information.

Motorcycle Model
Motorcycle Manufacturer Matchless