Katech Billet Steel Main Engine Caps
Upgrade your block for maximum durabilty. Katech caps are positioned with two, 1/4-inch steel dowels rather than the OEM aluminum locating register walls.
Works with LS1 / LS2 / LS3 / LS6 / L92 / LQ4 / LQ9 / LM7 engines.
Optional ARP main stud kit available. ARP main studs are manufactured from 8740 chrome moly steel, heat-treated to 200,000 psi tensile strength, and precision J-form threads rollad after heat-treat to create a fastener that has threads 1000% stronger than others. All kits come complete with hardened parallel-ground washers and aerospace quality nuts. Reduce crankshaft flex and main cap freeting with these premium quality main studs.