Engine Block Accessories

Chevrolet Performance Gen V L83 L86 LT1 LT4 Rear Cover 12705663 Includes bolts and rear main seal.  

Chevrolet Performance Cam Gear Bolt/Outer Main Cap Bolt 12556127 Use with 3-bolt, non-VVT camshafts and main cap outer bolt

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 RTV Engine Sealant 5.3 oz 12378521 Room temperature vulcanizing (RTV) sealant. This high viscosity product cures when exposed to air. The cured material has superior adhesion and elongation properties and is very resistant to...

Chevrolet Performance RTV Engine Sealant 2.65 oz 88864346 Room temperature vulcanizing (RTV) sealant. This high viscosity product cures when exposed to air. The cured material has superior adhesion and elongation properties and is very resistant to...

Mahle Clevite P-Series LS Rod Bearing Set CB663P(8) Clevite P-Series bearings were one of the first performance bearings available. Clevite® TriMetal™ engine bearings have been the industry standard since the first patent on the...

GM LS Engine Plug Kit w/ Oil Galley Plug 54252 Like 54251 except comes with oil galley plug.

Dart LS Nest SHP Windage Tray Kit for LS1 LS2 LS3 LS6  

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 Engine Block Oil Galley Plug 9427693 5/8 in.

Mahle Clevite H-Series Main Bearings For Dart LS Next Block Clevite H-Series bearings were developed primarily for use in NASCAR type racing, but are suitable for all types of competition engines. H-Series bearings have a...

Calico Coated Dart LS Next Main Bearing Set MS2321HX - +.001" Oil Clearence Calico Coatings produces high-performance bearings coated with their CT-1 Dry Film Lubricant coating. CT-1 is specifically engineered to withstand the extreme conditions of...