Upgrade your engine with the cutting-edge 4.315 Gen II Wedge Block Rough Bore from CALLIES (Part # P5160212AA). This bare block boasts a massive 4.315-inch bore, ideal for unleashing maximum power and performance. Engineered for durability with a 10...

Get ready to take your engine to the next level with the 4.500 Gen II Hemi Block Rough Bore by CALLIES. This bare block features a massive 4.500-inch bore, a sturdy 10.725 deck, and a reliable 4-bolt main for maximum durability. Made from high-quality...

Step up your engine game with the CALLIES 4.500 Gen II Wedge Block Finished Bore. This bare block comes packed with power, featuring a 4.500-inch bore and a sturdy 10.725-inch deck, perfect for unleashing your inner speed demon. Designed for performance,...

Engine - Bare Block - 4.490 in Bore - 10.322 in Deck - 4-Bolt Main - 2-Piece Seal - Iron - Big Block Ford - Each

Engine - Bare Block - 4.065 in Bore - 9.240 in Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal - Aluminum - Natural - GM LT-Series - Each

Elevate your engine performance with the Alm 410 Sprint HD Block 350 Mains 8.865 DH from BRODIX. This high-quality aluminum block is designed for small block Chevy engines, offering durability and power. Featuring 4-bolt mains, a 4.125-inch bore, and an...