Engine Blocks

Chevrolet Performance LSX 9.260" Deck Iron Bare Block 19417351 - 3.880" Bore Features: CNC Machined Cast Iron Block Wet or Dry Sump Capability Siamese Cylinder Bores 6-Bolt Main Caps 9.260" Semi-Finished Deck Height 3.880" Finished Bore (4...

DART LS Next Cast Iron Blocks Darts LS Next Iron Blocks are designed from a clean slate approach that addresses shortcomings of the factory engines. These blocks are great for hot rodders, drag racers, circle track, off-road and hi-performance marine...

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...

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...

Chevrolet Performance LSX 9.240" Deck Iron Bare Block 19417352 - 4.065" Bore Features: CNC Machined Cast Iron Block Siamese Cylinder Bores 6-Bolt Billet Main Caps 9.240" Deck Height 4.065" Finished Bore Max Horsepower 1500+  Note:...

DART LS Next Aluminum Blocks Darts LS Next Aluminum Blocks are designed from a clean slate approach that addresses shortcomings of the factory engines. These blocks are great for hot rodders, drag racers, circle track, off-road and hi-performance marine...

DART LS Next Cast Iron Blocks Darts LS Next Iron Blocks are designed from a clean slate approach that addresses shortcomings of the factory engines. These blocks are great for hot rodders, drag racers, circle track, off-road and hi-performance marine...

Dart LS Next Iron Block Parts Kit 32000016 LS Next Iron - coated cam bearings, brass freeze plugs, dowel pins & pipe plugs.

Dart LS Next Oil Pan Rail Spacers with Power Steering, AC & Oil Dipstick Provision

DART LS NEXT² Cast Iron Blocks The ultimate upgrade for adding strength in the Aluminum or Iron LS Next platform is the LS NEXT² upgrade. This offers larger Billet Steel main caps using Ford (2.750″) or LS (2.560″) mains,...

Holley GM LS1/LS6 Trussed Valley Cover - Black 241-262 Holley's new trussed LS valley covers are the latest addition to our expansive lineup of LS engine dress up products. Machined from billet aluminum and featuring a modern trussed design, these LS...

Holley GM LS2/LS3/LS7/LSX Trussed Valley Cover - Natural Billet 241-263 Holley's new trussed LS valley covers are the latest addition to our expansive lineup of LS engine dress up products. Machined from billet aluminum and featuring a modern trussed...