Fits Nissan RB25 / RB30 to TH400 Turbo 400 Automatic Steel Bellhousing Narrow spring-loaded gate for easy

Narrow spring-loaded gate for easy operation

Speedmaster serpentine belts are designed to keep your accessory drive operating properly

Speedmaster DNA roller rockers are the toughest and most innovative rockers we've ever made

along with energy-efficient and cost-effective friction management

Fits Nissan RB25 / RB30 to TH400 Turbo 400 Automatic Steel Bellhousing Narrow spring-loaded gate for easySpeedmaster conversion steel bell housing couples the Nissan RB25 RB30 engine to your Turbo 400 automatic transmission. This gives you the ability to run a much stronger and reliable transmission to your high performance engine.