US$ 45.00
Instructions for the 30-4100 will still be available in the Instructions tab after this change
The runners have been ported to improve velocity and evacuate the cylinders
Centerforce Accessories
1987-1988 GMC R2500
The body design utilizes a skirted wheel that strengthens the lifter ears and also provides more contact area with the lifter bore for further lifter stability
R&M Specialties Spark Plug Wire Loom 360/390/428 Blue Oil Filter Adapter Instructions for the 30-4100 willProduct Description: Spark Plug Wire Loom Valve Cover Mount 7 9 mm Black Blue Anodized Ford FE Series R&M Specialties manufactures custom designed wire looms. Built to attach to the valve covers, R and M wire looms are application specific, and give any vehicle a clean, complete look. R&M Specialties is committed to manufacturing quality machined performance parts. Our products reflect a high standard in the automotive industry and we will continue to