Engine Block Accessories

Chevrolet Performance Gen IV Valley Cover 12598832 Direct replacement LS2/LS3/LS7 engine valley cover. No provision for PCV, Includes O-Ring seals for DOD delete.

Mahle Clevite P-Series Rod Bearing CB663P 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 cast, copper,...

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...

ARP Dart Iron LS Next Main Studs 134-5901 Works with DART Iron LS Next Block. (Use 234-5608 for Stock LS and LSX Blocks and use 134-5802 for Warhawk LS Aluminum Block.) ARP Main Studs are manufactured from 8740 chrome moly steel and heat treated...

ARP GM LS Main Studs 234-5608 Works with stock blocks, GMPP LSX blocks and most aftermarket blocks. (Use 134-5901 for DART Iron LS Next and use 134-5802 for Warhawk LS Aluminum Block.) ARP Main Studs are manufactured from 8740 chrome moly steel and...

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...

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

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

Chevrolet Performance LS Gen IV Valley Cover 12570471 - NON AFM Includes gasket, bolts and O-Rings.  

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...

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...

Dart LS Next Iron Block Parts Kit 32000017 LS Next Aluminum - coated cam bearings, screw-in freeze plugs w/ o-rings, dowel pins & pipe plugs.