Big Bore Kit

50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978


50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978

50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978   50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
88CC VINTAGE BIG BORE KIT with Race Head HONDA Z50A Monkey Bike Mini Trail K0-78. 50 Caliber Racing 88cc Big Bore Kit with Race Head for Vintage Honda Z50 Mini Bikes. 88cc Race head big bore kit for your vintage Honda pit bike.

Complete with a 52mm piston and cylinder, fully assembled race head with 25/22mm valves and revised chamber. 20mm carburetor with intake, filter and cable. Everything necessary to fulfill your need for speed!

50 Caliber Racing Vintage Race Head Big Bore Kit. Fully assembled race head with 25/22mm valves for increased air flow.

High performance race camshaft and cam sprocket. Aluminum cylinder with oversized fins. 52mm piston with rings, pin, & clips (you can still run pump gas). 20mm High performance carburetor kit with intake. Foam air filter, throttle cable.

Complete kit, ready to make your bike go BRAAAP! We are unable to guarantee a specific carrier.

About us: Welcome to UTV Dude. We are family owned and operated for over 20 years. We believe in offering our customers the best off road and powersports products in the business, at rock bottom prices.


50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978   50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978