AZ Quad Parts 421cc Athena Hotrods Complete 68mm Big Bore Stroker Kit

This Is The Only +4mm Stroker Athena Kit On The Market!

This Is The Complete Top To Bottom Motor Rebuild That Will Compete With The Cheetah Cub With A Fraction Of The Cost!

 With proper tuning on pump gas you can easily hit 95+ hp with this kit!

Fits Yamaha RZ 350 Years 1984 & 1985

This 421cc Stroker Conversion Rebuild Kit Includes: 

• Athena 68mm Big Bore Nikasil Plated Cylinders (Pair)
• Larger Water Jackets For Better Cooling
• Huge Porting & Triple Exhaust Ports
• AZ Quad Parts Designed Wiseco Pro Lite 68mm Custom Pistons Pair 
• Piston Kits Include Pistons, Rings, Pins, & Clips
• Forged Aluminum
• Larger Port Windows For More Power
• Piston Only Wight 7.5oz
• The Longest Lasting Highest Performance Direct Replacement Piston Kit!
• Cometic One Piece Custom Base Gasket
• Wiseco Heavy Duty Wrist Pin Bearings
• Pro Design Cool Head
• AZQP Custom 21cc Big Bore Domes (Other Sizes Also Available Upon Request)
• Hotrods 4mm Stroker Crankshaft With 115mm Heavy Duty Rods (True & Welded Ready To Install)
• Athena Oil Seal Kit
• Clutch Cover Gasket 
• O-Ring Kit