Check the listing for details. For Chevy Crank Harmonic Balancer Bolt replaces ARP 234-2503 for LS1 LS2 LS3 LS6. Color: Black, Condition: New. Listed at 18.99 USD. About this item Part Number: Replaces 234-2503. Compatibility: Compatible with Chevy LS1 LS2 LS3 LS6 GTO, more vehicles information please refer to the description. High performance: Crank harmonic balancer bolt is made of excellent material, features stable performance and high reliability. Direct Fit: Our crank harmonic balancer bolt is designed to have same form, fit and function as OEM original part. You can directly replace the broken or shabby one. Buy with Confidence: We offer a 12-month warranty after thorough testing prior to shipment. Please check carefully our photos and OEM No. Before you purchase, make sure the photo showed is same as you wanted. Any product issue can contact us for help. Part Number: Replaces 234-2503. Specification: Thread Size: 16mm x 2.0 Under head Length (in): 4.325 in Head Style: 12-point Fastener Yield Strength (psi): 200,000 psi Fastener Material: 8740 chrome moly Fastener Finish: Black oxide Compatibility: Fit for Chevy Gen III/IV Small Block 4.8L / 5.3L / 5.7L / 6.0L / 6.2L/7.0L Engines.(Except LS7) 1998-2002 For Camaro/Firebird LS1 1997-2013 For Corvette LS1/LS6/LS2/LS3 2004-2006 For GTO LS1/LS2 2004-2014 For Cadillac CTS-V LS6/LS2 2008-2009 G8 LS3 Package Included: 1 x Crank Harmonic Balancer Bolt