Main Bolt Kits

HIGH PERFORMANCE SERIES - Competitively priced, popular applications feature reduced wrenching head and wide flange provides even load distribution during torquing. 170,000psi.

PROFESSIONAL SERIES - These application specific kits are designed for extreme service requirements and feature reduced wrenching head and wide flange to provide even load distribution when torquing. 190,000psi tensile strength.

 
CHEVROLET, SMALL BLOCK
     
Part Number - Hi-Perf Part Number - Pro-Series Application
AR134-5001   2-Bolt Main, large journal
AR134-5002   2-Bolt Main, small journal
AR134-5202   4-Bolt Main, large journal
  AR234-5201 4-Bolt Main, large journal12pt




CHEVROLET, BIG BLOCK
     
Part Number - Hi-Perf Part Number - Pro-Series Application
AR135-5002   2-Bolt Main
AR135-5201   4-Bolt Main





CHRYSLER BB & SB
     
Part Number - Hi-Perf Part Number - Pro-Series Application
AR140-5001   2-Bolt main, Mopar, all
     

 

 

FORD, SMALL BLOCK
     
Part Number - Hi-Perf Part Number - Pro-Series Application
AR154-5001   2-Bolt Main
AR154-5004   351 Cleveland, 2-Bolt main



 

FORD, BIG BLOCK
     
Part Number - Hi-Perf Part Number - Pro-Series Application
AR155-5201   390-428ci FE Series
AR155-5202   429-460-385ci Series



 

HOLDEN
     
Part Number - Hi-Perf Part Number - Pro-Series Application
AR205-5001   308 V8 2-Bolt