Big Block Dodge Plymouth Mopar 383 400 440

 

12 Point Black Oxide Grade 8++

 

These bolts are rated at 170,000 PSI

 

which exceeds Grade 8 Specifications

 

Bolts have a reduced 3/8" diameter Head

 

for easy wrench access and are 1" long for thick flanges

 

Exhaust Header Bolt Kit (12 Pcs.)