03413B Exhaust Manifold Bolt Kit Compatible with Chevy Gmc Buick 12PCS | Grade 10.9 M8x1.25 Steel Fasteners Replaces 6506775AA 6507423AA fits LS1 LS2 LS3 LS7 Engines

03413B Exhaust Manifold Bolts Kit – Heavy Duty Replacement Fasteners for GM Vehicles. Swap worn, brittle stock manifold bolts with this grade 10.9 steel hardware set. Secures your exhaust manifold firmly in place — no more leaks or loose bolts. Key Features: Replaces 11518860, 11609481, 6506775AA, 6507423AA, 03413B Compatible with Chevy, GMC, Buick 4.8L, 5.3L, 6.0L, 6.2L V8 engines Fits LS1, LS2, LS3, LS6, LS7, LSX series Thread: M8 x 1.25, length 30.7mm Steel construction for heat resistance Direct replacement — matches original equipment Easy install in minutes — no special tools needed Package Includes: 12 x Grade 10.9 Exhaust Manifold Flange Bolts

• Replaces Part Number: 75120; 03413B, 11518860, 11546600, 11609481, 6506775AA, and 6507423AA.
• Material: ‎ Exhaust Manifold Bolts Hardware Kit is made of premium quality steel, strong and reliable, not easy to break or deform, can be used for a long time.
• The exhaust manifold hardware kit is designed to match the original hardware required for the exhaust manifold and engine on a specific vehicle, ensuring a perfect fit.
• Size: Grade 10.9 Automotive Bolt, M8 x 1.25 Thread x 30.7 mm,12 PCS.
• It's designed for easy installation so you can quickly and easily replace your old mounting kit.