The Best Ls Header Bolts of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Ls Header Bolts of 2023. Check our ranking below.
2,272 Reviews Scanned
- Fastener finish: black oxide
- Fastener material: steel
- Fastener style: bolt
- OEM Part Number: 5.3/6.0 LS Exhaust Manifold Bolt is for 551696
- Fitment: 5.3/6.0 Ls Header Bolts are Compatible With GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines; All GM LS & LT series engines 1997-up
- Material: 5.3/6.0 LS Exhaust Manifold Bolts Hardware Kit is made of premium quality steel with High Strength Grade 10.9, strong and reliable, not easy to break or deform, can be used for a long time.
- Size: Grade 10.9 Automotive Bolt, M8 x 1.25 Thread x 25 mm, Anti-Corrosion Zinc Plated.
- Easy to Install: 5.3/6.0 Ls Header Bolts are simple to use and easy to operate. It's designed for easy installation so you can quickly and easily replace your old mounting kit.
- LS HEADER STUD KIT BOLTS STAINLESS STEEL LSX LS2 LS3 LS6 LS7 4.8 5.3 6.0 6.2L
- Fits GEN III, IV LSX (LS1 LS2 LS3 LS6 LS7) Chevy V8 Engines.
- Fits GEN III, IV LSX (4.8 5.3 6.0 6.2L Vortec) Truck Engines.
- Hardened 304 Stainless Steel
- (12) M8 Studs (polished); (12) M8 Hex Locking Flange Nuts
- 12PCS COMPLETE HEADER BOLT KIT. This set includes 12 premium exhaust manifold/header flange bolts with integrated flanged heads—no need for extra washers. Designed to meet JIS specifications for precise fit and secure installation.
- Compatibility: Directly replaces OEM Part Number 551696. This header bolt kit is engineered for LS Series engines, including LS1, LS2, LS3, LS6, LSX, LM7, LR4, LQ4, LQ9, L33, LH6, L92, L76, L99, L96, L82, L83, L84, L86, L87, and LT1 models.
- GRADE 10.9 HIGH-STRENGTH STEEL. Each bolt is manufactured from heavy-duty alloy steel with a Grade 10.9 rating—built to withstand extreme torque, vibration, and heat for long-lasting, secure performance.
- ADVANCED DACROMET COATING. Coated with Dacromet for superior corrosion resistance in high-moisture, salt-spray, and high-heat environments. The eco-friendly coating prevents rust without the risk of hydrogen embrittlement.
- IDEAL FOR LS SWAPS & REBUILDS. Perfect for engine swaps, performance upgrades, or replacing worn-out OEM hardware. Trusted by mechanics and DIYers for reliable exhaust manifold fastening on any LS project.
- Michigan Motorsports Exhaust Manifold & Header Bolt 12pc Set
- Fits all 1997-newer LS & LT Based GM V8 Car and Truck Engines
- Compatible with all GM LS & LT Based Gen 3/4/5 Car and Truck Engines
- Flanged Grade 10.9 Bolts Torque Spec for M8 exhaust bolts is 18 ft-lb
- M8 x 1.25 thread 25mm Underhead Length Fits Factory Exhaust Manifolds and Aftermarket Headers
Last update on 2025-07-17 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Ls Header Bolts.
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