- Thick cast aluminium construction helps reinforce and stiffen the bottom pan rail.
- Beautifully mirror-polished finned exterior significantly improves oil heat dissipation.
- Suits heavy-duty gen 4 big block chevy 396, 427, and 454 v8 blocks from 1965-1990.
The Calflow polished finned aluminium oil pan sump is designed to suit heavy-duty Big Block Chevrolet 396, 427, and 454 Gen 4 V8 engines built from 1965 to 1990. The thick cast construction helps stiffen the bottom rail, ensuring excellent sealing along the gasket surface. Its beautifully polished finned exterior assists with oil cooling while adding a high-end show finish.