Organic Bill Mitchell Products Bmp 085501 - Aluminum Engine Block Chevy Big Block 9.800 Deck, 4.490 Bore, Billet Caps Buy Now [bvBLnfDH]

Bill Mitchell Products BMP 085501 Aluminum Engine Block

The BMP 085501 Aluminum Engine Block from Bill Mitchell Products is a top-tier replacement for all OEM BBC blocks, offering unparalleled performance and durability. Crafted from 357-T6 aluminum alloy, this block boasts an impressive 9.800" deck height and a 4.490" bore, making it an ideal choice for high-performance applications. The block comes standard with screw-in freeze plugs, cam plug, and all dowel pins and pipe plugs, ensuring a seamless installation process.

Key Features and Specifications

This aluminum engine block is designed to accept standard Big Block Chevy cam bearings and can be machined for a 55mm bearing. The main caps are made from billet steel, with splayed studs on the center three caps and a straight studded design on the front and rear caps. The block utilizes Big Block Chevrolet style main bearings and features a ½" thread for main bolts, with a torque spec of 95-100 ft. lbs. with oil. The cylinder bores are of a Siamese design, with sleeves made from replaceable, centrifugal cast ductile steel. The deck thickness is a minimum of .600", and the cylinder bore centers are stock 4.840". The block is also equipped with expanded water jackets for better cooling and an integral mount for a spin-on filter.

Applications and Benefits

The BMP Aluminum BBC blocks are versatile and can be used as a direct replacement for all OEM BBC blocks. With a weight of 130 lbs, including main caps, hardware, and cylinder sleeves, this block offers a lightweight yet robust solution for your high-performance engine builds. The stroke clearance is impressive, with the 9.800" deck height capable of handling up to a 4.375" stroke without block relieving, while the 10.200" deck height can accommodate up to a 4.750" stroke with minor clearancing. The block is also designed to accept a "Tall Deck" distributor, ensuring compatibility with a wide range of applications. With its solid oil pan rails, stock GM bell housing pattern, and drilled and tapped motor mount locations, the BMP 085501 Aluminum Engine Block is a comprehensive solution for your next engine build.