YHB Solid Motor Engine Mount Combo SBC BBC for Chevy Frame MountRat Rod Hot Street Engine Bracket Kit ‎3990914 3960768 6258154 - SBC Motor Mounts

This listing is for a set of solid steel Chevy motor and chassis mounts. It includes 2 (xpc) steel solid motor mounts & 2 (xpc) solid steel chassis pads for small block Chevy engines. These solid mounts replace the stock-style rubber mounts and eliminate excessive engine movement in high performance applications which can result in torque loss and linkage binding. They also work great for custom chassis builds.The motor mounts replace GM OEM part #3990914 used on most small block Chevy's from 1958-1972. They measures 2 1/2" inside the ears and 1-11/16" from back of mount to center of the bolt hole.The solid steel chassis pads have the following specs.Mount centers: 2-5/16" x 5-1/16"Height at center is 2"Frame surface to mounting hole center is 1"Width at mounting sleeve is 2-3/8"The chassis pads are direct replacement for the following.1974-1981 Camaro & Firebird with 307 & 3501973-1988 Chevelle, Malibu, Monte Carlo, & El Camino with 307, 350, 402, & 4541973-1979 Nova with 307 & 3501976-1990 Impala & Caprice with 307 & 350

• 🚗 Function：These solid mounts replace the stock-style rubber mounts and eliminate excessive engine movement in high performance applications which can result in torque loss and linkage binding. They also work great for custom chassis builds.
• 🚗 specs：Mount centers: 2-5/16" x 5-1/16", Height at center is 2", Frame surface to mounting hole center is 1", Width at mounting sleeve is 2-3/8".
• 🚗 Includes：2 (xpc) steel solid motor mounts & 2 (xpc) solid steel chassis pads
• 🚗 Fit：1974-1981 Camaro & Firebird with 307 & 350， 1973-1988 Chevelle, Malibu, Monte Carlo, & El Camino with 307, 350, 402, & 454， 1973-1979 Nova with 307 & 350， 1976-1990 Impala & Caprice with 307 & 350.
• 🚗 Replace：GM OEM part #3990914