Engine Case - +4.000" Bore - Special Application - Evolution Big Twin Up-Front Seats making them capable of higher

making them capable of higher rpm and fully compatible with gear drive cams

All necessary hardware

Tubeless Valve Stems - Pink

passenger width 7"

Engine Case - +4.000" Bore - Special Application - Evolution Big Twin Up-Front Seats making them capable of higherEngine Case +4. 000" Bore Special Application Evolution Big Twin Designed for high performance engines with cylinder bores 4. 000" Cam chest is moved outward 0. 250" to allow crankcases to handle large cylinder bore sizes Clearanced for strokes as long as 5. 000" Relocated cam chest oil pick up increases gear case scavenging and virtually eliminates oil carry over at sustained high speeds Machined to accept the stock oil filter assembly used on '92