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HEAD BOLT KIT
- Use when installing stock 351W, Ford Performance cast iron (M-6049-L302/L303) or Ford Performance aluminum head (M-6049-Y302/Y303/X302/X303/X304/X305/X306/X307) on 289/302 blocks
- Kit features 20 ARP® cylinder head bolts with 7/16" diameter thread
- Includes 20 special stepped washers
- Sold in engine sets