Domestic Lower 48 States Shipping
Orders up to $50.00 - $7.50
$50.01 to $150.00 - $12.50
$150.01 and up - $17.50
Alaska, Hawaii, Other U.S. Territories Shipping
Orders up to $50.00 - $15.00
$50.01 to $150.00 - $25.00
$150.01 and up - $35.00
International Shipping
Orders under $199.00 - $28.50
Orders over $199.00 - $38.00
Cylinder Kits
Kits
include aluminum cylinder with a galvanic coating designed with larger
water jackets for better cooling and a forged piston with molybdenum
coating for the best in performance. Each kit also contains a special
gasket and easy to follow step by step instructions. No machining is
required.
"Race" Cylinder Kits
Kits
include aluminum cylinder with a nickel carbide coating. Hard anodized
power valves are also included (cannot use stock). Forged OE Style
domed piston kit. Athena top end gasket kit with all required seals and
easy to follow step by step instructions.
"Works" Cylinder Kits
Kits
include aluminum cylinder with a nickel carbide coating and ported to
factory works specs! The aluminum cylinder head has a removable bronze
dome allowing for higher compression and anti detonation features.
Specially designed, high performance, hard anodized power valves are
also included (cannot use stock) and cast lite flat top piston kit.
Athena then tops off the kit with a top end gasket kit and all required
seals with easy to follow instructions.
Yamaha 2 Stroke Yamaha 4 Stroke
ATV
350 Banshee 1988-06 68mm 392cc Big Bore
Big Bore Kit $999.95 *Exchange your old cylinders for a $100.00 Refund!
Piston Kit (2) $230.10
Top End Gasket Kit $26.90
Replacement Ring Set $37.95
Dirt Bike
YZ250F/WR250F 2001-07 83mm Big Bore/290cc
Big Bore Kit $756.95 *Exchange your old cylinder for a $50.00 refund!
Piston Kit $169.95
Top End Gasket Kit $59.95
Replacement Ring Set $35.70