DRAG SPECIALTIES Bolt Kit - Knurled - Primary MK685BK Linear Crew Fleece Full 4 Into 1 Race

Full 4 Into 1 Race System Designed for Maximum Horsepower and Torque

Pre-curved finger construction to reduce riding fatigue

Designed to be used with OEM stock head pipes or Pro Circuit head pipes Ultra-responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque throughout the power curve Aluminum/stainless construction for reduced weight and increased durability Strong mounting bracket(s) for increased durability Designed for easy disassembly and re-packing when needed Removable USFS approved spark arrestor

the Ti-6 will meet AMA amateur noise requirements

Developed on the dyno using specific dimensions for each model with the aim of improving torque and maximum power Made of AISI 304 TIG welded stainless steel For use with select LeoVince mufflers

DRAG SPECIALTIES Bolt Kit - Knurled - Primary MK685BK Linear Crew Fleece Full 4 Into 1 RaceComplete motor sets for Big Twin include bolts for primary, cam, cam sensor, derby, rocker box, transmission top, transmission side, lifter block and clutch covers Complete motor sets for XL include bolts for primary, cam, derby, lifter block, points cover, rocker box and engine case Made in the U. S. A.