Upgrade Your Engine with the ARP Main Stud Kit

Secure your Ecotec crankshaft with championship-level reliability using the BK Racing ARP Main Stud Kit — the best ARP main studs for GM Ecotec 2.0L, 2.2L, and 2.4L engines, delivering superior clamping force for high-boost turbo, supercharged, stroker, or high-RPM rebuilds. These premium ARP 8740 Pro Series studs replace factory bolts, providing repeatable torque, reduced stretch, and maximum main cap retention — essential for Cobalt SS, Ion Redline, HHR SS, Solstice GXP, Saab 9-3, and serious performance builds.

Forged in the USA from 8740 chromoly steel with exceptional tensile strength, this kit includes rolled threads, precision parallel-ground washers, and 12-point nuts for even load distribution — trusted for preventing main cap walk, bearing spin, and crank damage under extreme loads.

Kit Includes:

• 20 ARP 8740 main studs
• 20 parallel-ground washers
• 20 12-point nuts
• ARP Ultra-Torque assembly lube packet

Key Features:

• Made in the USA with ARP's legendary quality
• Rolled threads for enhanced fatigue resistance
• Superior strength over OEM bolts for high-power applications

Performance Benefits:

• Maintains consistent main cap alignment in high-boost or nitrous setups
• Allows repeatable disassembly/reassembly without bolt replacement
• Prevents bearing damage and crank walk in big-power or stroker engines
• Supports higher RPM stability and aggressive tuning
• Essential companion to BK Racing race bearings, forged internals, and timing kits

Compatibility:

• GM Ecotec engines:
  • 2.0L (LSJ supercharged, LNF/LDK/LHU turbo)
  • 2.2L (L61, LAP, LE8)
  • 2.4L (LE5, LE9, LAT, LAF, LEA, LUK)
• Chevrolet Cobalt (including SS), HHR (including SS), Malibu, Equinox; Pontiac Solstice/G5/G6; Saturn Ion (including Redline), Sky, Vue, Aura; Saab 9-3; Buick Regal/Verano; GMC Terrain; Polaris Slingshot; and custom swaps

Installation Notes:

• Torque to 62 ft-lbs using ARP Ultra-Torque lube in three equal steps (follow ARP sequence)
• Clearance Check Required: Studs may interfere with some oil pans — verify fitment and either modify the pan or carefully shorten interfering studs
• Always check main bore alignment when installing aftermarket studs
• Professional installation and line boring recommended for built engines

Proudly offered by BK Racing Inc. — Ecotec specialists providing ARP's USA-made fasteners trusted for maximum bottom end security and extreme power handling.

Build bulletproof from the bottom up — upgrade to the BK Racing ARP Main Stud Kit today!

Enhanced Strength and Durability

The ARP Main Stud Kit is designed specifically for GM Ecotec engines (2.0L, 2.2L, and 2.4L) to provide superior fastening strength. This kit includes premium quality studs that are engineered to withstand higher torque and prevent stretching under extreme conditions. Because of its robust construction, your engine can maintain better performance and reliability, which is essential for high-stress situations like racing or towing.

Easy Installation and Fitment

Installing the ARP Main Stud Kit is straightforward for both professionals and DIY enthusiasts. The kit includes all necessary components and clear instructions, allowing for a hassle-free installation process. Moreover, these studs are designed to fit perfectly within existing OEM specifications, so you don’t need to make any modifications to your engine block.

Improved Performance and Longevity

Upgrading to the ARP Main Stud Kit not only enhances the durability of your engine but also improves overall performance. With its superior fastening capabilities, your engine will have a more stable foundation, which translates to increased horsepower and torque. Therefore, if you're looking to maximize your GM Ecotec engine's performance, investing in this premium bottom-end fastening upgrade is a smart choice.