Description
Dart Intake Manifold Spacer Aluminum 24 Degree Oval Port BB Chevy 20174 1979 1989 GMC K3500 WEI7155 1979 1989 GMC K3500 Slotted mounts replace fixed weld on brackets and clamp directly to 1 3 8 Inch dia Dart cylinder heads offer superior casting technology 000 psi more tensile strength than the more commonly used 356 alloy