Hooker BlackHeart LS Turbo Crossover Tube Fits GM 4L60/4L80 475 Simple setup and programming: USB

Simple setup and programming: USB Keyboard and Mouse functionality makes it quick and easy to setup new layouts

350 in OD Valve Seat

(Remainder to Assemble Complete Engine)

The centerless ground shaft utilizes an upper sealed roller bearing with an extra long lower bronze Oil-Lite bushing for smooth operation

Carb pad height: 8

Hooker BlackHeart LS Turbo Crossover Tube Fits GM 4L60/4L80 475 Simple setup and programming: USBExhaust Crossover Pipe Cross Over Tubes Are 16 Gauge, Mandrel Bent 304 Stainless Steel & Include V Band Flanges Pre Made Cross Over Tube Provide Optimal Fit & Ground Clearance Product Description: Turbo Crossover Pipe 2 1 4 in Diameter Stainless Natural 4L60 4L80 GM LS Series Sold Individually At the HEART of any performance vehicle is the exhaust system. For decades, many of the most powerful vehicles on the planet have used Hooker Headers. To stay