Phathead Racing Hoodie - Full Zip logo Jacket - Black Size:large 5mm big bore chamber 100+

5mm big bore chamber 100+ octane - for use with big bore piston

6cc 105+ octane

7cc 100+ octane

KTM250SX  TC250 MC250 HUSQVARNA GASGAS 250cc combustion chambers

Phathead Racing Hoodie - Full Zip logo Jacket - Black Size:large 5mm big bore chamber 100+70% cotton 30% Polyester Extra heavy weight Fabric to help you avoid the dirt scrapes and road rash and they keep you warm too. Printed locally *Due to the heavy cotton fabric they will shrink if washed and dried on hot. Wash warm and hang dry to retain best fit. Buy a size larger than usual if you want a loose fit. **xs size is standard thickness fabric XL sold out try another color