Click to zoom in
SKU: 247-7201 | UPC: 672036048686
ARP Main Stud Kit for 2001-2009 Cummins ISL 8.9L ARP2000
ARP Main Stud Kit 247-7201 delivers reliable main cap fastening for Cummins ISL 8.9L diesel engines found in heavy-duty trucks and buses. These studs prevent main cap walk and fretting while safeguarding engine block threads during high-stress operation. Kits include all necessary components for secure installation and enhanced engine durability.
Key Features
- ARP2000 Alloy: Manufactured from 8740 chrome moly steel heat-treated to 190,000 psi tensile strength for dependable clamping force
- Precision J-Form Threads: Rolled after heat treatment creating threads 2000% stronger than conventional fasteners to resist fatigue
- Complete Kit Contents: Includes hardened parallel-ground washers and 12-point nuts for even load distribution
- Windage Tray Provisions: Select studs feature serrated standoff design with lock nuts to secure windage trays firmly
- Black Oxide Finish: Provides corrosion resistance and smooth installation on Cummins ISL blocks
Product Notes
- Designed specifically for Cummins ISL 8.9L engine mains
- Eliminates common failures from stretched stock bolts under boost or high torque
- Ships in protective ARP packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Use ARP lubricant and torque to specified values from ARP instructions
- Compatible with OEM main caps and windage trays where equipped
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2009 | Cummins | ISL | 8.9L |
| 2001-2009 | Freightliner | M2 Series | w/ Cummins ISL 8.9L |
| 2001-2009 | International | 4300/4400 | w/ Cummins ISL 8.9L |
| 2001-2009 | Peterbilt | 330/337 | w/ Cummins ISL 8.9L |
Why Choose ARP?
- Proven in racing and heavy-duty diesel applications for decades
- Every fastener undergoes rigorous in-house testing for consistency
- Precision manufacturing ensures exact fit and peak clamping performance
Frequently Asked Questions
-
Q: Will this kit fit my Cummins ISL 8.9L engine?
A: Yes ARP 247-7201 fits all 2001-2009 Cummins ISL 8.9L engines including QSL variants in trucks from Freightliner International and Peterbilt -
Q: What material and strength rating does it have?
A: ARP2000 8740 chrome moly steel with 190,000 psi tensile strength and rolled J-form threads for superior durability -
Q: What is the ARP warranty policy?
A: Lifetime warranty against failure when installed and torqued per ARP guidelines excludes abuse or improper use
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: ARP branded box approximately 10 x 6 x 2 inches
- Weight: 4.25 lbs
ARP Head Studs
ARP head stud kits for internal engine builds are stocked at Black Ops Auto Works. Shop ARP head stud and bolt kits, main stud kits, and rod bolt kits engineered for HEMI, Ford Modular and Coyote, GM LS, Subaru EJ, Honda K and B series, VW/Audi turbo four cylinders, Porsche, BMC, and Renault engines, along with the Ultra-Torque assembly lubricant every kit depends on. Every product is filterable by year, make, model, and engine platform so the correct fastener kit ships the first time. Black Ops Auto Works carries 812 ARP Head Studs SKUs across 8740 chromoly and ARP2000 alloy options. What This Collection Covers ARP head studs replace factory head bolts with precision-machined threaded studs that thread into the block and allow the nut to be torqued concentrically on a stationary fastener, producing more even and repeatable clamping force across the entire head gasket surface than a factory head bolt design. This collection focuses on the internal engine fasteners that hold the ...
View ARP Head Studs Products
Hardware
Engine hardware, fasteners, and mounting hardware kits for builds, fabrication, and suspension work are stocked at Black Ops Auto Works. Shop ARP engine bolts and stud kits, suspension mounting hardware from Fox and Rock Krawler, bumper mount kits, tie rod clamps, joint retainer tools, and single and kit-packaged hardware for domestic, import, and off-road platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 945 Hardware SKUs across engine hardware, suspension mounting hardware, and single-piece or kit-packaged fasteners. What This Collection Covers Hardware groups together the fasteners, mounting kits, clamps, and small components that hold engines, suspension systems, and accessories together. This includes ARP engine hardware such as intake manifold bolts and cam bolt kits, suspension mounting hardware from Fox and Rock Krawler for shock and steering stabilizer installs...
View Hardware Products
Hardware Kits - Other
Hardware kits and fastener assortments for engine builds, suspension installs, body and trim jobs, and off road rigs are stocked at Black Ops Auto Works. Shop ARP bolt and stud kits, brake caliper hardware, suspension bushing hardware, leaf spring hardware kits, security fastener kits, and general clip and retainer assortments across domestic and import platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 593 Hardware Kits - Other SKUs across engine, suspension, body, and lighting hardware categories. What This Category Covers The Hardware Kits - Other category groups together fastener kits and hardware assortments that do not fall under a single dedicated part category. Coverage spans engine fastener kits like cam bolts and intake manifold bolts, suspension hardware including bushing pivot washers and leaf spring hardware, seat belt mounting hardware, security hardware fo...
View Hardware Kits - Other Products