Engine Blocks

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...

LSXceleration Gen III Trussed Valley Cover - Black 54-262 Trussed valley cover for Gen 3 LS Engines.  Features: Does not have Knock sensor provisions  Trussed Design Includes Fasteners Does Not include gasket Back Finish

LSXceleration Gen IV Trussed Valley Cover - Black 54-265 Trussed valley cover for Gen IV LS Engines. Must use DOD Oil Block Off Plugs # 54224-8 if deleting DOD/AFM. Features: NON AFM/DOD Valley Cover  Trussed Design Includes Fasteners Does Not...

Mahle Clevite P-Series LS Rod Bearing Set CB663P20(8) - .020" Undersize Clevite P-Series bearings were one of the first performance bearings available. Clevite® TriMetal™ engine bearings have been the industry standard since the...

Mahle Clevite P-Series LS Rod Bearing Set CB663P10(8) - .010" Undersize Clevite P-Series bearings were one of the first performance bearings available. Clevite® TriMetal™ engine bearings have been the industry standard since the...

Chevrolet Performance LS3 Windage Tray  

GM Gen V LT Engine Oil Galley Plug 54-61074 (12661074) Oil Galley Barbell Plug for GM Gen V Engines

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...

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...

LSXceleration Gen IV/V DOD Oil Block Off Plugs 54224-8 Set of 8 Gen IV/V DOD Oil Block off plugs. Made in the USA.

RHS LS 9.240" Standard Deck 4.120" Bore Aluminum Race Block 54903U Block Specifications Designed from heavy-duty A357-T6 aluminum material 3.895”-4.165” siamese cast bore walls w/ press-in spun cast iron liner Available in standard (9...

RHS LS 9.750" Tall Deck 4.120" Bore Aluminum Race Block 54901U Block Specifications Designed from heavy-duty A357-T6 aluminum material 4.125”-4.165” siamese cast bore walls w/ press-in spun cast iron liner Available in standard (9...