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🔧 Bolt up like a pro—strength and precision that your ride deserves!
The APDTY 103944 Exhaust Manifold Anti-Corrosion Flanged Bolt set includes 12 high-grade M8 x 1.25 bolts with Grade 10.9 hardness and anti-corrosion plating. Designed as a direct fit replacement for numerous Chrysler, GM, and other vehicle models, these bolts deliver superior durability, corrosion resistance, and precise threading for reliable exhaust manifold installation.
| ASIN | B00Y1IQ5XS |
| Best Sellers Rank | #95,296 in Automotive ( See Top 100 in Automotive ) #16 in Automotive Replacement Exhaust Manifolds |
| Brand | APDTY |
| Compatible Groove Diameter | 8 Millimeters |
| Customer Reviews | 4.7 out of 5 stars 819 Reviews |
| Exterior Finish | Ready To Paint If Needed |
| Fastener Size | M8 |
| Fastener Type | Flange Bolt |
| Grade Rating | Grade 10.9 |
| Head Style | Flat |
| Head Type | Flange |
| Item Diameter | 8 Millimeters |
| Item Dimensions | 5.5 x 1.75 x 2 inches |
| Item Hardness | Grade 10.9 |
| Item Weight | 0.31 Pounds |
| Manufacturer | APDTY |
| Manufacturer Grade | Grade 10.9 |
| Material | Anti-Corrosion |
| Material Type | Anti-Corrosion |
| Number of Pieces | 12 |
| Screw Head Style | Flat |
| Set Screw Thread Type | Metric |
| Size Name | M8 x 1.25 |
| Thread Class | 1A |
| Thread Size | M8 |
| Thread Style | Right Hand |
| Thread Type | Right Hand |
| UPC | 411000066970 |
A**R
Great bolts better than the original ones
Bolted right up have no problems replaced both side exhaust manifold so my Avalanche can't be happier they were very easy to install I had no issues the only problem you'll run into is if the existing bolts snap off in the heads
M**N
Fit perfect
No issues with install fit my 07 Jeep jk 3.8l. Price was a little on the steep side! But no issues and perfect figment.
B**N
Good
Good
M**I
They dont look and feel durable.
But they work like a charm.
M**G
4.5 stars for quality, but does NOT fit Chevy 4.3L Vortec
Was advertised as fitting a 98 Chevy 4.3L Vortec. Bolt size is way too small, didn't even grab threads in the head. Quality of the bolts is fantastic, and the coating looks like it will hold up over time. Just have to find a different use for them now.
P**S
These fit the GM 5.3 perfectly
Not a whole lot to say. They are exhaust bolts, and they fit my 2005 Suburban with it's 5.3 liter engine. I put some copper anti seize on them and torqued them down. They seem to be holding just fine a couple of months later.
F**S
Very good product
Very good product
R**T
Excellent replacement for stock
Luckily I got all the old bolts out easily and used these to replace. Clean and lube your threads first then use these most awesome bolts
Trustpilot
1 month ago
2 months ago