2001-2016 GM 6.6L Duramax Up-pipes Bolt Set (12pcs) RPI Our design also eliminates the

Our design also eliminates the problematic factory couplers

Clutch engagement will be very close to stock feel

Clutch - O/D Roller(Steel)

and more turbo noise

5 steel separator plates

2001-2016 GM 6.6L Duramax Up-pipes Bolt Set (12pcs) RPI Our design also eliminates theDuramax: LB7, LLY, LBZ, LMM, LML (2001 2016)Features: OEM design with washers. Thread length increased to accommodate washer thickness. Two screws are 5 mm longer to accommodate the downpipe mounting bracket. Our design preserves thread engagement whereas other companies do not. All 12 screws will be alloy steel 12 point screws in black oxide finish, class 12. 9. (10) M10 x 1. 5 x 32 bolt and washer(12) M10 washers(2) M10 x 1. 5 x 37 bolt and washer