Chevy Big Block 396 402 427 454 502

                                                                      

12 Point Black Oxide Grade 8++


3/4" Long

 

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

 

Exhaust Header Bolt Kit (16 Pcs.)