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🔧 Upgrade your LS1 with bolts that mean business — don’t get left behind!
The ARP 134-1003 Cam Bolt Kit is a premium-grade hardware set designed specifically for GM LS-Series engines. Featuring 8mm x 1.25 fully threaded Chromoly bolts with a durable black oxide finish and a 12-point hex head, this kit delivers high shear strength and precision fitment. Trusted by automotive pros and backed by stellar reviews, it’s the ultimate upgrade for performance and reliability.

| ASIN | B000O3TC2A |
| Best Sellers Rank | #166,337 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Replacement Chassis Cam Bolts & Parts |
| Brand | ARP |
| Color | Black |
| Compatible Groove Diameter | 8 millimeters |
| Customer Reviews | 4.9 out of 5 stars 782 Reviews |
| Exterior Finish | Painted |
| Fastener Size | 8 mm |
| Fastener Type | Hexagon Bolt |
| Finish Types | matte |
| Global Trade Identification Number | 00672036030322 |
| Head Style | Hex |
| Head Type | Hex |
| Included Components | Hardware Kits - Other |
| Item Hardness | Grade 10.9 |
| Item Type Name | Hardware Kits - Other |
| Item Weight | 1.92 ounces |
| Manufacturer | ARP |
| Manufacturer Grade | premium |
| Material | Chromoly |
| Material Type | Chromoly |
| Maximum Shear Strength | High |
| Metal Type | Stainless Steel, Aircraft-quality Steel |
| Model | 134-1003 |
| Number Of Items | 1 |
| Number of Pieces | 2 |
| Part Interchange Info | 134-1003 |
| Part Number | 1341003 |
| Screw Head Style | Hex |
| Set Name | ARP 134-1003 Cam Bolt Kit |
| Size Name | Stock |
| Thread Class | 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | M8 |
| Thread Style | Right Hand, Coarse, Metric, Fully Threaded |
| Thread Type | Metric Right Hand |
| UPC | 672036030322 |
| Unit Count | 1 Count |
| Warranty Description | Manufacturer Warranty |
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