Oil Filter Adapter 3952301 for Spin On Bypass SBC BBC 305 307 327 350 400 396

Oil Filter Adapter for Spin On Bypass SBC BBC 305 307 327 350 400 396

This oil filter adapter, part 3952301, converts small block and big block Chevy engines to accept a spin-on bypass style oil filter at the block mounting pad.

Overview

This oil filter adapter 3952301 allows small block and big block Chevy engines to run a spin-on bypass style oil filter. The adapter bolts to the block filter pad so the filter screws on and seals like a factory setup. It suits engine builders, restorers, and anyone replacing a cracked or stripped oil filter adapter.

Built For Performance

• Replaces OEM adapter part number 3952301
• Machined threads for a clean spin-on filter fit
• Sealing surface designed to prevent leaks under pressure
• Bolt pattern matched to the Chevrolet block filter pad
• Cast and machined body for steady oil flow

Fits These Machines

• for Chevrolet small block 305
• for Chevrolet small block 307
• for Chevrolet small block 327
• for Chevrolet small block 350
• for Chevrolet small block 400
• for Chevrolet big block 396

On-The-Job Use

• Engine rebuilds and refreshes on SBC and BBC builds
• Classic car and truck restoration projects
• Circle track and bracket racing engine prep
• Replacing a damaged or leaking factory oil filter adapter

Specs At A Glance

Good To Know

Q: Will this adapter fit both small block and big block Chevy engines? A: It is listed for the small block and big block displacements shown and matches the 3952301 adapter style. Always compare the bolt pattern and gasket surface on your block before ordering.

Q: Do I need a different filter after installing this adapter? A: This adapter accepts spin-on bypass style filters matched to the thread and gasket size. Confirm the filter part number your build requires before final assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.