Complete Engine was rebuilt and assembled by Hawaii Racing in Simi Valley, CA in 2023. Has not been run or fired, sitting in storage covered.
Complete Invoice Specs of what parts were installed into the motor in the last two photos.
The block is standard bore factory stamped T0426CRR as a 1970 LS-6. The block casting is 3999289 dated D-8-72. The Hi Perf square port heads are 3994026 dated B-2-72. Rods are dimpled 7/16 bolts. LS-6 Forged steel Crankshaft is casting number 3521. Solid Lifter 450hp Engine!
This engine was originally built for a GM executive order as a 1970 LS-6 to be installed in a 1972 Chevelle SS 454
Correct Remanufactured Holley list 4557 carburetor for LS6, L78, L89, 396, and 454 high-performance applications with Manual Transmission.