ARP BB Chevy Stainless Steel Head Bolt Kit - 6 Point YA0862 Exhaust port and bolt pattern

Exhaust port and bolt pattern are raised 3/32'' over GM L98 cylinder heads

Black Anodized / Gold Chromate / Natural

Coolers have a 1/2"NPT female bung commonly used for connecting a temperature sending unit or similar accessories and have built in flanges for mounting to the deck underside of most Dirt Late Models

ORB-08 outlet and return port

083" thick

ARP BB Chevy Stainless Steel Head Bolt Kit - 6 Point YA0862 Exhaust port and bolt patternARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Cylinder Head Bolt Kit Hex