ARP Header Bolt Kit - 12 Point 3/8 x 1.00 UHL (12) R040003 Breathable

Breathable

1982-1985 Nissan Stanza

1976-1978 GMC G15

Small fill plugs have a 1-3/8" opening with 1-1/2"-12 threads

ARP Header Bolt Kit - 12 Point 3/8 x 1.00 UHL (12) R040003 BreathableARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. What's more, thecompact 12 point nut lets you easily slip a socket close to the pipe. Each ARP accessory stud or bolt kit includes the specific number of parts for your