Engine Blocks

Holley GM LS2/LS3/LS7/LSX Trussed Valley Cover - Black 241-265   Holley's new trussed LS valley covers are the latest addition to our expansive lineup of LS engine dress up products. Machined from...

LSXceleration Gen IV Trussed Valley Cover - Polished 54-264 Trussed valley cover for Gen IV LS Engines. Must use DOD Oil Block Off Plugs # 54224-8 if deleting DOD/AFM. Features:

LSXceleration Gen III Trussed Valley Cover - Polished 54-261 Trussed valley cover for Gen 3 LS Engines.  Features: Does not have Knock sensor provisions  Trussed Design

Calico Coated Dart LS Next Main Bearing Set MS2321H Calico Coatings produces high-performance bearings coated with their CT-1 Dry Film Lubricant coating. CT-1 is specifically engineered to withstand...

Mahle Clevite P-Series LS Rod Bearing Set CB663P1(8) - .001" Undersize Clevite P-Series bearings were one of the first performance bearings available. Clevite® TriMetal™ engine bearings have been...

LSXceleration LS2/LS3/LS7/LSX Finned Polished Valley Cover 54-267 Gen 4 Valley Cover without DOD/AFM provisions. This valley cover does not have o-rings to seal the DOD oil galleys like some of the...

LSXceleration LS2/LS3/LS7/LSX Finned Black Valley Cover 54-268 Gen 4 Valley Cover without DOD/AFM provisions. This valley cover does not have o-rings to seal the DOD oil galleys like some of the OEM...

Chevrolet Performance Engine Block Coolant Plug 11611351 27mm x 1.0 Thread

Chevrolet Performance Engine Block Coolant Plug 12561663 28mm x 1.25 Thread, 0.500 UHL

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...

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

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: