ARP Main Stud Kit for GM Ecotec Engines (2.0L, 2.2L, 2.4L) – Premium Bottom End Fastening Upgrade

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!