10 Best Performance Exhaust Header Bolts

Fel-Pro 1470 Exhaust Header Set

Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core
Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets
Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service
Slotted bolt holes allow for easier header installation
Not intended for use in emission controlled vehicles

BBK is your Number One Aftermarket Performance Exhaust Brand in the USA - American Designed and Built
This SB Ford Exhaust Header Bolt Kit is the Same one included in all BBK SB Ford Exhaust Header Kits
Fits all 302 351 Applications - Includes 16Pcs 3/8 X 3/4 Bolts
Zinc Coated to Prevent Rust
Made in the USA

Package Content: You will receive 12 pieces of durable exhaust manifold header bolts with integrated flanged heads (no separate washers needed). Sufficient quantity to meet your daily use needs and replacement needs.
Perfect Fit For LS/LT Engines: Direct replacement for OEM part 551696, these exhaust manifold bolts are specifically designed for LS Series like LS1, LS2, LS3, LSX and LT Series engines from 1997 to present.
Premium Material: These manifold head bolts are manufactured from heavy-duty metal, providing superior tensile strength and durability to withstand extreme exhaust heat, vibration, and torque requirements.
Suitable Size: Each exhaust manifold head bolt measures approximately 1.26in/3.2cm long, the bolt head diameter is about 0.51in/1.3cm and the bolt disc diameter is about 0.7in/1.78cm. Please check the size carefully to ensure it matches your car.
Ideal For Engine Swaps & Repairs: Our exhaust manifold hardware are trusted by mechanics and DIY enthusiasts for LS engine swaps, performance upgrades, and routine maintenance. Perfect for replacing worn OEM bolts on LS/LT engine applications.

OEM Number: The OEM part numbers for our exhaust manifold bolts is 551696, can be used to replace lost or broken and worn out manifold bolts. Please check the OEM, brand, model, and year carefully in advance to avoid the product being unusable
Suitable Vehicles: Our exhaust bolts are compatible with GM 1997-2024 LS LT series engines, compatible with Chevrolet 1999-2015 Tahoe, 2015 Suburban, and more. Please refer to the details page for more specific information on the applicable models
Product Size: Our packet includes 12 exhaust manifold bolts with the size of 1.28*0.66*0.66''. The thread size is M8x1.25, threaded part is 0.98'' long and 0.30'' wide, the diameter of hexagonal head is 0.39'', please do careful check the size in advance
Enhanced Strength and Security: Featuring a reinforced construction, these LS header bolts keep a secure connection between the exhaust manifold and the engine block, minimizes vibrations of manifold avoid the problem of insufficient turbocharging
Premium Material: These LS exhaust manifold bolts are crafted from grade 10.9 carbon steel, have exceptional strength, not easy to deform and break. Remain steadfast when exposed to constant vibrations from machine operation, avoid dislodging or loosening