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Ultimate Fastener Combo Kit - 1989–1997.5 12V 5.9L Dodge Cummins

PART # SKU CP878UC
Original price $893.89 - Original price $893.89
Original price
$893.89
$893.89 - $893.89
Current price $893.89
Availability:
In stock
Ultimate Complete Engine Fastener Solution – Head Studs + Main Studs + Connecting Rod Bolts + Rocker Arms Combo Kit

Upgrade your engine build with the ultimate combination of strength and reliability. This premium combo kit includes head studs, main studs, rocker arms, and connecting rod bolts, providing a complete solution for securing your engine’s most critical components.

Why choose a combo kit? Pairing head studs and main studs ensures a uniform clamping force across both the top and bottom ends of the engine. Combined with high-strength connecting rod bolts, this kit helps eliminate common failure points such as head lift, blown head gaskets, and main cap walk — especially under high-boost or heavy-duty towing conditions. 

Installing head studs requires properly milled rocker arms to clear the added stud height. This set ensures everything fits perfectly, eliminating guesswork. 

Get everything you need in one kit instead of sourcing parts separately. This not only saves you money but also prevents delays and compatibility issues during installation.

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.

INSTALL GUIDE
PACKAGE CONTENTS

Head Stud Contents (Part # CP878)
26x Head Studs
14x M12 x 146 mm
6x M12 x 199.7 mm
6x M12 x 96.5 mm
26x 12-Point Nuts (M12 x 1.25) – Part # N0401
26x Hardened Parallel Washers – Part # W0401
6x Rocker Bolts (M8 x 75 mm)
1x Allen Wrench (5 mm)
2x Sockets (10 mm and 14 mm)
1x Fastener Assembly Lubricant

Connecting Rod Bolt Contents (Part #
CP114)
Connecting Rod Bolt Kit (Angled Rod Caps Only)
1x Fastener Assembly Lubricant
1x Socket

Main Stud Contents (Part #
MP878)
14x Main Studs
14x Nuts
14x Washers
1x Allen Wrench
1x Fastener Assembly Lubricant
1x Socket

Rocker Arm Contents (Part # CP200)
6x Machine-Milled Rocker Arm Pedestals

VEHICLE FITMENTS
⚠️ PROP 65 WARNING

CALIFORNIA WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov.

  • 30-day-hassle-free returns-truck

    Free domestic Shipping

    On all orders. Overnight shipping option available at checkout.

  • Lifetime-Warranty-shield

    lifetime warranty

    If any of our fasteners fail due to a manufacturing defect, we will replace them free of charge.

  • Perfect-fit-guaranteed

    perfect fit, guaranteed

    If the product doesn’t match your engine, we will replace it with no extra charge.

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