ATC70 TRX70 Engine TB Stock Head, 88cc Big Bore Kit – Various Models TBW0925

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TB Stock Head, 88cc Bore Kit – Various Models

This TB 88cc Big Bore Performance Kit (52mm) is for use with the stock OEM Honda cylinder head.  It includes the following features:

• Lightweight aluminum cylinder with steel sleeve
• Cast in mounts on cylinder for aftermarket skid plates
• Oversized cooling fins on cylinder for efficient heat dissipation
• High compression 52mm piston with rings, pin, & clips
• Head gasket kit
• NO case boring required
• Easy bolt on power!!

The kit will work on the following Honda models:

• Z50 K1-81
• CT70 K0-81
• All SL70 & XL70
• All ATC70, TRX70, & CL70

Note: We also recommend purchasing a high volume oil pump kit (available in this section). It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal). Also see the Info section for installation info and other info on our performance products.

TBparts.com is the only distributor of our products and the parts are shipped directly from the manufacturing facility to us. When a product is purchased from us, it has not gone through several middlemen and thus, the savings goes to the consumer. Additionally, to keep prices down, we use basic packaging and installation instructions are not included. The end result is affordable and high quality performance parts that will add some power and excitement to your bike!