OTR TT537 │ 2" Hinged Clutch Brake Trailer Air Spring 7L heads use 38 head
Platform notes & fabric story
Description
OTR TT537 │ 2" Hinged Clutch Brake Trailer Air Spring 7L heads use 38 head 7L heads use 38 head bolts total — order quantity 2 of this kit per engine for a complete head re bolting job designed for 2020 and newer Cummins X15 and X12 engines (EPA 2017 and EPA 2021 emission ratings)