Engine Blocks

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...

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...

Chevrolet Performance 6.2L LSA Aluminum Bare Block 12673476 Replacement block for CTS-V and ZL1 Camaro. Features: 319-T5 Aluminum Block with Iron Sleeves Includes Oil Squirters 6-Bolt Main Caps 9.240" Deck Height 4.065" Finished...

DART SHP LS Next Cast Iron Blocks Darts SHP LS Next Iron Blocks are designed for high performance and medium duty applications. Features Superior strength 220 BHN Cast Iron Steel 4-bolt main caps with upgraded ARP main studs Lifter oil crossover...

DART SHP LS Next Cast Iron Blocks Darts SHP LS Next Iron Blocks are designed for high performance and medium duty applications. Features Superior strength 220 BHN Cast Iron Steel 4-bolt main caps with upgraded ARP main studs Lifter oil crossover...

LSR Tall Deck Aluminum Race Block Double Cross Drilled LSR-TD2XRC - Raised Cam The NEW LSR (R = Reinforced) Aluminum Standard Deck Race Blocks are 100% American made and come semi-finished with a 9.245" deck and 4.117" rough bore size. The...

LSR Tall Deck Aluminum Race Block Double Cross Drilled LSR-TD2X - Standard Cam Location The NEW LSR (R = Reinforced) Aluminum Standard Deck Race Blocks are 100% American made and come semi-finished with a 9.245" deck and 4.117" rough bore size...

LSR Standard Deck Aluminum Race Block LSR-SD10X The NEW LSR (R = Reinforced) Aluminum Standard Deck Race Blocks are 100% American made and come semi-finished with a 9.245" deck and as standard 4.117" rough bore size. The block is cast with...

Chevrolet Performance LSX 9.240" Deck Iron Bare Block 19417353 - 4.185" Bore Features: CNC Machined Cast Iron Block Siamese Cylinder Bores 6-Bolt Billet Main Caps 9.240" Deck Height 4.185" Finished Bore Max Horsepower 1500+  Note:...

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:...

Chevrolet Performance LSX 9.720" Deck Iron Bare Block 19417354 - 3.880" Bore Features: CNC Machined Cast Iron Block Wet or Dry Sump Capability Siamese Cylinder Bores 6-Bolt Main Caps Tall Deck 9.720" Semi-Finished Deck Height 3.880"...

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...