Plenum adapter kit allows you to run a Hi-Ram plenum lid on your 6g75 Lower intake manifold. Bolts up with no modifications needed to your lower. Can use any of the Holley Hi Ram Compatible accesories or lids (front facing, side facing, spacers, intercooler systems, nos plates, carbon fiber lid, etc). Also available for the Skunk2 Ultra Race plenum lid
Basic kit includes: Billet adapter plate, billet 1" Spacer and stainless steel hardware.
If running tall injector/fuel rail combo an extra spacer will be required for clearance, we offer a phenolic 3/4" Spacer that fits this purpose for an extra $100. Price includes shipping. These are made to order so lead time is 4-8 weeks. Billet fuel rails also available.