this kit is for 56 and -later 3 length bolts Ford y block v-8
Caution Ford Y block head bolts 239, 256, 272, 292 and 312 engines up to 1956 heads used two different length bolts in 56 the a change to 3 different lengths was made.
The three bolts in the center under the rocker shaft are the same, The two bolts on the end of each head are longer about a 1/4 inch. Inspect heads before ordering bolts to insure you get the correct ones other wise engine damage could happen
most 56 and up cylinder head bolts set does both heads/p>
cylinder head kit made with all arp head bolts and washers fits heads that use
three different length head bolts , note that bolts have 1/2 hex inch wrenching.These are hi performance head bolts suitable for higher compression and forced induction and are a great upgrade from stock bolts
torque is 70 foot pounds done in three steps 30, 55 then 70 ft pounds. Cylinder head washer goes inner chamfer side up
10 short bolts
6 medium bolts
4 long bolts>
20 head washers
chbs-1217
for more y block items