Head Bolt Kits
HB-500 Head Bolts
$129.00
ARP 1/2″ 6 pt head bolts for 1977-80 350 & 403 Oldsmobile engine, and any other 350-455 Olds block which has been drilled and tapped for 1/2″ head bolts.
HB-840 Head Bolts
$129.00
The Ultimate 7/16″ARP head bolt. Made of 8740 alloy steel, heat treated, chamfered, shank ground and washer pad under 12-point socket head. Bolt has 190,000 psi tensile strength and secures cylinder heads to block as well as studs. Set of 20 bolts and chamfered washers. Fits all Oldsmobile V8’s except diesel. Does not include accessory bolts.
HW-500 Head/Main Bolt Washers
$18.00
Chrome moly black oxidized 1/2″ i.d. head & main bolt washers for use with all studs & bolts. Set of 10.
HW-716 Head/Main Bolt Washers
$18.00
Chrome moly black oxidized 7/16″ i.d. head & main bolt washers for use with all studs & bolts. Set of 10.
