Description
A stock main bolt setup won’t cut it if you’re serious about engine reliability under boost or high RPM loads. The ARP SBC Main Stud Kit 134-5402 replaces those factory bolts with chromoly studs that deliver superior clamping force and consistency—critical when you’re pushing your small block to the edge. Paired with hex nuts for secure fastening, this kit ensures your crankshaft stays locked in place, cycle after cycle.
- Chromoly construction
- Black oxide finish
- 2-bolt mains
- Small journal compatible
- Small Block Chevy fitment
- Includes hex nuts
- Bolt-on installation
- MPN: 134-5402
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