Head bolt kit contains (20) head bolts for assembling 351W engines with stock or GT-40 heads. Washer faced bolts .5" thread.
M-6065-C351*M-6049-N351/N352 cast iron “Sportsman” heads on 351/351W/302 Ford Racing blocks (20) .5" bolts.
Not all Ford Performance Parts may be installed on vehicles that are driven on public roads. Please see individual part descriptions for application limitations. Click here for more emissions compliance information.