Racing Power Stud Valve Cover Fastener 1/4-20" Thread 1.375" Long Wing Nuts - 4" Long Howe Racing Enterprises The 4L60E transmission used must

The 4L60E transmission used must be a 1994+ which utilizes a 13th pin on the transmission connector

Total Length

When used in the combination with the Howe Y-pipe you will see significant increases in torque over fixed baffle mufflers

Inlet / Outlet Size: 1/4" NPT

Aluminum Head

Racing Power Stud Valve Cover Fastener 1/4-20" Thread 1.375" Long Wing Nuts - 4" Long Howe Racing Enterprises The 4L60E transmission used mustProduct Description: Valve Cover Fastener Stud 1 4 20 in Thread 1. 375 in Long Wing Nuts 4 in Long Steel Chrome Set of 4 Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.