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2-Stroke Top End Kit - Wiseco
Description:
Wiseco-forged high-silicon aluminum alloy pistons are computer-machined to exacting tolerances
Designed for greater strength with reduced weight and improved heat transfer
Piston kits come complete with hi-performance forged pistons (enough for one engine), rings, wrist pins, circlips and full top end gasket kit
Replacement pistons include rings and circlips
Made in the U.S.A.
**Note:
Cylinder sleeving or replating may be required for oversizes
02-06 Suzuki RM85 models must use stock thrust washers
Price:
$199.99.
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Top End Gasket Kit - Cometic
Description:
Cometic Hi-Performance Non-Asbestos Gasket Kits are made from the highest quality, non-asbestos gasket material available
Cometic Manifold and Base Gaskets are made from non-asbestos nitride rubber bound fiber material for a high resistance to both chemicals and heat
Copper Gaskets are made from high grade annealed copper and are available in a variety of thicknesses
Cometic Graphite Head Gaskets are made from non-asbestos flexible graphite laminated to a stainless steel core
Impervious to fuels, coolants and oils
Does not require additional sealers
Price:
$32.99.
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2-Stroke 70cc Big Bore Kit - Athena
Description:
Athena's Big Bore Kit features a cast aluminum cylinder with a nickel carbide plated bore.
All Athena kits come with a cylinder, cylinder head, piston assembly )(piston, rings, wrist pin, and circlips) carbon reeds and all top end gaskets necessary for installation.
Replacement piston kits and top end gaskets are available separately
Actual product may vary from web image
Price:
$192.95.
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490cc Big Bore Cylinder Kit - Athena
Description: Athena 490cc Big Bore Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 5hp can be seen in most models
Compression ratios are as follows
CRF450R/X has 11.6:1
KX450F has 12.0:1
RMZ450 has 12.0:1
LT-R450 has 13.03:1
Note: Images are for reference only; Images may not show your specific cylinder kit.
Price:
$644.99.
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280cc Big Bore Cylinder Kit - Athena
Description: Athena 280cc Big Bore Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 5hp can be seen in most models
CRF250R/X has 13.1:1
Note: Images are for reference only; Images may not show your specific cylinder kit.
Price:
$635.99.
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290cc Big Bore Cylinder Kit - Athena
Description: Athena 290cc Big Bore Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 5hp can be seen in most models
Compression ratios are as follows
KX250F Kit has 12.8:1
RMZ250 04-06 Kit has 12.8:1
RMZ250 07 Kit has 12.6:1
YZ/WR250F Kit has 12.5:1
Note: Images are for reference only; Images may not show your specific cylinder kit.
Price:
$625.99.
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480cc Big Bore Cylinder Kit - Athena
Description: Athena 480cc Big Bore Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 5hp can be seen in most models
Compression ratios are as follows
YZ/WR450F Kit has 12.4:1
TRX450R 04/05 Kit has 10.7:1
YFZ450 04-07 Kit has 12:1
Price:
$736.99.
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125cc Cylinder Kit - Athena
Description: Athena 125cc Cylinder Kit
Aluminum cylinder with nickel-carbide coating
Specially designed high performance, hard anodized power valves (will not fit stock cylinder)
Specially designed high performance cast-lite, flat top piston
Athena performance top end gasket kit, including required seals and hardware
Average gains of 3 HP can be seen in most models
kit has 14.8:1 Compression ratio
Price:
$661.99.
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250cc Cylinder Kit - Athena
Description: Athena 250cc Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 2hp can be seen in most models
Compression ratios are as follows
CRF250R/X Kit has 13.0:1
KX250F/RMZ250 Kit has 12.6:1
YZ/WR250F Kit has 12.5:1
Note: Images are for reference only; Images may not show your specific cylinder kit.
Price:
$617.99.
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450cc Cylinder Kit - Athena
Description: Athena 450cc Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 3hp can be seen in most models
Compression ratios are as follows
CRF450R/X Kit has 11.5:1
YZ/WR450F Kit has 12.3:1
TRX450R Kit has 10.5:1
LT-R450 Kit has 11.7:1
YFZ450 Kit has 11.9:1
Price:
$659.99.
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400cc Cylinder Kit - Athena
Description: Athena 400cc Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 3hp can be seen in most models
This Kit has 12.2:1 Compression
Price:
$617.99.
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430cc Big Bore Cylinder Kit - Athena
Description: Athena 430cc Big Bore Cylinder Kit
Bolt on kit, no machining required
Aluminum cylinder with nickel-carbide coating designed with wider water jackets
Complete piston kit, Forged piston with molybdenum coating
Complete top end gasket set
Easy to follow step-by-step installation instructions
Average power gains of 5hp can be seen in most models
This Kit has 12.3:1 Compression
Price:
$647.99.
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