
Head & Main Stud Combo Kit For 1989-1997 12V 5.9L Dodge Cummins
Vehicle Fitments
Our main studs measure 14 mm. Before purchasing, please confirm that your vehicle is an early 1997 model or older, as they are not compatible with late 1997 models.
Complete Engine Fastener Solution – Head Studs + Main Studs Combo Kit
Upgrade your engine build with the ultimate combination of strength and reliability. This premium combo kit includes both head studs and main studs, providing a complete solution for securing your engine’s most critical components.
Why settle for one when you can get both? Pairing head studs and main studs together ensures uniform clamping force throughout the top and bottom end, dramatically improving the overall integrity and performance of your engine under high stress and extreme conditions.
Whether you’re boosting, towing, or daily driving, this all-in-one kit reduces the risk of head lift, blown head gaskets, and main cap walk – common failure points in high-performance applications.
Head Stud Package Contents (Part # CP878)
- 26x Heads Studs
- 14x M12 x 146 mm
- 6x M12 x 199.7 mm
- 6x M12 x 96.5 mm
- 26x Nuts 12-Point Nuts M12 x 1.25
- Part # N0401
- 26x Hardened Parallel Washers
- Part # W0401
- 6x Rocker Bolts (M8 x 75mm)
- 1x Allen Wrench (5mm)
- 2x Sockets (10mm and 14mm)
- 1x Fastener Assembly Lubricant
Main Stud Package Contents (Part # MP878)
- 14x Main Studs
- 14x Nuts
- 14x Washers
- 1x Allen Wrench
- 1x Fastener Assembly Lubricant
- 1x Socket
Package Contents
Install Guide
⚠️ Prop 65 WARNING
CALIFORNIA WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov.