Speedmaster Cylinder Head Bushing Kit fits SBF 289/302/351W0.500 in. O.D.0.438 in. I.D. These Procomp Electronics head bolt bushing kits allow you to use stock or aftermarket head bolts with Procomp Electronics or other aftermarket cylinder heads. They take the place of your head bolt washers and are hardened and chamfered.
| Manufacturer | Speedmaster |
| Brand | Speedmaster |
| Item Weight | 1 pounds |
| Product Dimensions | 4.7 x 7.4 x 0.4 inches |
| Manufacturer Part Number | PCE277.1001 |
| OEM Part Number | PCE277.1001 |
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