Engine Blocks

DART LS NEXT² Cast Iron Blocks The ultimate upgrade for adding strength in the Aluminum or Iron LS Next platform is the LS NEXT² upgrade. This offers larger Billet Steel main caps using Ford (2.750″) or LS (2.560″) mains,...

DART LS NEXT² Cast Iron Blocks The ultimate upgrade for adding strength in the Aluminum or Iron LS Next platform is the LS NEXT² upgrade. This offers larger Billet Steel main caps using Ford (2.750″) or LS (2.560″) mains,...

Chevrolet Performance Gen V LT Main Cap Fastener Kit Gen V L83 L84 L86 L87 LT1 LT2 LT4 Main Cap Bolt Kit. 1 required per engine. Fastener Kit Includes: 10 x #11548075 Outer Main Cap Bolt 10 x #11548076 Inner Main Cap Bolt 10 x #11546565 Side Main...

Chevrolet Performance Gen V LT Inner Main Cap Bolt 11548076 Gen V L83 L84 L86 L87 LT1 LT2 LT4 Inner bolt for main cap. 10 required per engine. Sold individually.

Chevrolet Performance Gen V LT Outer Main Cap Bolt 11548075 Gen V L83 L84 L86 L87 LT1 LT2 LT4 Outer bolt for main cap. 10 required per engine. Sold individually.

Chevrolet Performance Gen V LT Main Cap Side Bolt 11546565 Gen V L83 L84 L86 L87 LT1 LT2 LT4 Side bolt for main cap. 10 required per engine. Sold individually.

Chevrolet Performance LS Main Cap Fastener Kit Fastener Kit Includes: 10 x #12560273 Outer Main Cap Stud 10 x #12560272 Inner Main Cap Bolt 10 x #12556127 Side Main Cap Bolt 

ARP GM LS Main Cap Side Bolts 671-1002 Main Cap Side Bolts Only (Requires qty 2 per engine)

DART SHP LS Next Cast Iron Blocks Darts SHP LS Next Iron Blocks are designed for high performance and medium duty applications. Features Superior strength 220 BHN Cast Iron Steel 4-bolt main caps with upgraded ARP main studs Lifter oil crossover with...

Dart Iron LS Next Main Stud Kit 66311010  

ARP Main Studs for GM Gen V LT1/LT4 234-5802 ARP has been the leading manufacturer of performance automotive fasteners since 1968. From it's beginning, ARP has grown to be exceptionally self-reliant and controls all aspects of the manufacturing process...

ARP Main Studs for WP Warhawk LS Aluminum Block 134-5802 ARP has been the leading manufacturer of performance automotive fasteners since 1968. From it's beginning, ARP has grown to be exceptionally self-reliant and controls all aspects of the...