Holley is an industry leader when it comes to GM Gen III and IV LS engine performance parts. Their LS Single Plane Mid-Rise Intake Manifolds are now available for both carbureted and EFI applications. They are ideal for higher horsepower…
Holley is an industry leader when it comes to GM Gen III and IV LS engine performance parts. Their LS Single Plane Mid-Rise Intake Manifolds are now available for both carbureted and EFI applications. They are ideal for higher horsepower…
FEATURED Holley Performance 300-66 EFI Intake Manifold; High Rise Dual Plane Design; w/EGR; For Use w/Cast Iron Heads; Street/Strip Use Only; 300-66 MANIFOLD Dual Plane Design. Front Height 3.5 in.. Rear Height 4.18 in..