NV4500/TR4050 Small Block Ford Bellhousing Adapter 289/302/351W SKU: 8462

Small Block Ford Bell Housing Adapter for NV4500 or Tremec TR4050

Ready to upgrade to a 5-speed manual transmission? This bellhousing adapter is the critical link that allows your Small Block Ford engine (289, 302, or 351W) to connect to a New Venture NV4500 or Tremec TR4050 5-speed manual transmission. Designed to bolt directly to your existing SBF bellhousing, this adapter makes it easier than ever to integrate modern, heavy-duty transmission options into your classic Ford drivetrain.

The kit includes a custom pilot bushing to match the input shaft of the new transmission and all necessary hardware for installation. Whether you’re building an off-road rig, a street-friendly cruiser, or a resto-modded Early Bronco, this adapter provides the durability and fit you need to get the job done right.

• Adapts SBF to NV4500 or TR4050 – Allows 289, 302, or 351W engines to run modern 5-speed manual transmissions.

• Bolts to Existing SBF Bellhousing – No need for a custom bell; attaches to your stock or aftermarket SBF housing.

• Pilot Bushing Included – Custom bushing ensures proper fit with NV4500/TR4050 input shaft.

• Complete Hardware Kit – Comes with high-quality fasteners for a secure and accurate installation.

• Ideal for Transmission Swaps – Designed for builders upgrading from 3-speed or 4-speed setups to modern 5-speeds.

Compatibility

• Engines: Small Block Ford 289, 302, 351W

• Transmissions: NV4500 5-speed manual / Tremec TR4050 5-speed manual

• Vehicles: Ideal for Early Broncos, classic Fords, and custom builds using SBF engines

Bolt a modern 5-speed manual transmission behind your Small Block Ford engine - this adapter connects NV4500 or TR4050 transmissions to your stock bellhousing.