Engine Blocks

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,...

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 standard (9...

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...

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 with...

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 with...

LSR Standard Deck Wet Aluminum Race Block FPE-LSR-SD10X   The FPE-LSR-SD10X is a premium aluminum Gen V LS Standard Deck Race Block designed for high-performance applications. Engineered with precision and built for durability, this race block...

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...

Chevrolet Performance Gen V LT1/LT4 Aluminum Bare Block 19431901 Features: GEN V LT1/LT4 Aluminum Block with Iron Sleeves Includes Oil Squirters 6-Bolt Main Caps 9.240" Deck Height 4.065" Finished Bore   Note: Ocean Freight is...

Chevrolet Performance 6.2L LS3/L92 Aluminum Bare Block 12729604 Replacement block for L9H, L94, LS3, L99, L92. Features: 319-T5 Aluminum Block with Iron Sleeves 6-Bolt Main Caps 9.240" Deck Height 4.065" Finished Bore Tested to over 500...