- Fits standard narrow-style small block chevy 283, 307, 327, 350, and 400 motor mounts.
- Internal safety interlock mechanism prevents engine lifted off mounts under full throttle.
- Polyurethane formulation outperforms original rubber by eliminating sagging and cracking.
- Zinc-plated protective steel shells shield bushings against road grit and under-bonnet heat.
- Direct bolt-on replacement for factory original narrow gm motor mounts.
Designed to fit classic Small Block Chevy 283, 307, 327, 350, and 400 V8 applications requiring the narrow frame bracket style (2-3/8 inches inside frame bracket dimension). Constructed with high-strength steel housings and premium red polyurethane inserts, these mounts incorporate built-in interlocks to keep the engine secured even in the event of extreme mechanical load or bushing degradation.