8MM (10MM WRENCH SIZE)
ALL HEADER KITS (EXCEPT STOCK STYLE HEX KITS) CONTAIN HIGH STRENGTH BOLTS
-USE 3/4 LENGTH BOLTS FOR HEADER FLANGES 1/4" THICK OR LESS
-USE 1" LENGTH BOLTS FOR HEADER FLANGES OVER 1/4" THICK
-1 1/4" AND 1 1/2" LENGTH BOLT KITS ARE FOR CAST IRON MANIFOLDS, CHECK YOUR ORIGINAL BOLT LENGTHS BEFORE ORDERING, SOME EXHAUST MANIFOLDS USED SEVERAL BOLT LENGTHS.
12 COUNT (FOR SOME LS)
16 COUNT (SOME LS & FORD MODULAR)
17 COUNT (FOR NEW HEMI)
20 COUNT (FOR FORD V-10)
PLEASE ALLOW 10-15 BUSINESS DAYS FOR SHIPPING
