12PCS Grade 10.9 Exhaust Manifold Bolts 551696, LS Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines, Replaces 12617944

Product DescriptionExhaust Header Bolt Kit 12pcs,This header bolt kit is designed for exhaust manifold and header installation. Each bolt is manufactured from heat treated 8740 moly steel with a black oxide finishSpecificationsTensile strength:with High Strength Grade 10.9Thread type: Traditional hex styleFinish: Black oxideMaterial:Use an alloy structure l construction provides strength for exhaust system applications. The black oxide coating offers corrosion resistanceWhat's Included12 x hex style header bolts with premium quality washersFeaturesHex style heads for secure grip during installation and removal Standard imperial measurements for easy compatibility Stronger than grade 8 hardware

• Compatibility:12pc exhaust manifold bolts 551696 compatible with GM LS1 LS3 LS2 LSX LT series engines 1997 and newer. Fits LS & LT Gen III, IV, V including LQ4 LM7 LR4 LS6 LQ9 L33 LH6 L92 L76 L99 L96 L82 L83 L84 L86 L87 and S10 C10 LT1
• Material and Strength:Grade 10.9 steel exhaust header bolts with zinc anti corrosion coating. These LS header bolts are strong and resistant to breaking or deforming. M8 x 1.25 thread x 25mm size for secure manifold attachment
• Design Features:Flanged design exhaust manifold bolts with upgraded black zinc coating for rust resistance. JIS head style metric flange bolts provide reliable replacement for damaged or missing original hardware on GM LS LT engines
• Installation:Easy installation LS exhaust manifold bolts designed for quick replacement. Remove old hardware and install these grade 10.9 manifold header bolts directly. Simple to operate with standard tools for 5.3/6.0L engine applications
• Complete Kit:12pcs exhaust manifold bolts kit replaces OEM number 551696. Each set includes 12 grade 10.9 flanged bolts with M8 1.25 thread and 25mm length. One kit covers exhaust manifold or header installation for GM LS LT series engines