Engine Block Accessories

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...

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...

Billet Main Caps for GM LS Blocks (Will not fit LS7/LSX Blocks) Made in USA! With the influx of lesser quality goods and materials to the US, Pro-Gram Engineering solely uses materials certified as produced in the US. This helps guarantee the...

Chevrolet Performance LS3 Windage Tray  

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 the extreme conditions of today's performance engines...

LSXceleration GM LS Engine Plug Kit 54251 *Does not include oil diverter barbell

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...

Chevrolet Performance LS1 Windage Tray 12558253 Windage is the turbulent flow of air within the crankcase caused by rotation of the crankshaft. As rpm increases, so does windage. Chevrolet Performance windage trays reduce aeration of the oil from...

LSXceleration Gen 3 Valley Cover 54-9269 Fits Gen 3 LS engines. LSXceleration logo laser etched into valley cover.

Chevrolet Performance LS6 Valley Cover 12577927 This LS6 Valley Cover eliminates the two rear valve cover PCV hose connections as well as the PCV hose and PCV valve. Improves crankcase ventilation and decreases the quantity of oil and contaminants that...

LSXceleration LS1/LS6 Finned Black Valley Cover 54-258 Gen 3 Valley Cover without knock sensors.

Chevrolet Performance LSX Rear Cover 19369274 Fits GM LSX Block and Concept Performance LSR Block. Does NOT included bolts or seal/gasket.