MCS, exhaust stud & nut kit 84-up - 84-23 B.T.; 86-22(NU)XL; 08-12(NU)XR1200; 87-10(NU)Buell XB models 978611 triple-spring valve springs and valve

triple-spring valve springs and valve keys/valve keepers

2 used on each cylinder

• DO NOT FIT FOR models with Engine Guards

For 5-speed Big Twin models and some aftermarket 6-speeds

MCS, exhaust stud & nut kit 84-up - 84-23 B.T.; 86-22(NU)XL; 08-12(NU)XR1200; 87-10(NU)Buell XB models 978611 triple-spring valve springs and valve5 16 18 to 5 16 24 X 1 11 16" long. Zinc plated studs with chrome plated nuts. Mounts exhaust to cylinder heads. Note: Exhaust studs as used in the M8 engine (OEM 10900015) are of a slightly different design, with a small protruding hex shaped outer end to aid initial stud installation, but these early Evo Twin Cam style studs will still fit.