Afr 245 Heads

Npp stands for no pushrod pinch and this is afr s largest 60 40 valve spacing head.

Afr 245 heads.

The afr 245 eliminator cylinder heads come with 2 125 inch intake valves and 1 600 inch exhaust valves both in stainless steel. Afr 245 npp sb chevrolet competition racing cylinder heads 70cc performance like a raised runner head. The air flow research small block chevrolet 245 npp cylinder head is best suited for max effort competition applications but larger displacement 427 pump gas engines could consider this head as well. Stud girdles due to many available factory oem and aftermarket style variations your existing stud girdle may not fit afr heads require afr stud girdles.

Due to the 60 40 stud and valve locations shaft mount rockers are highly recommended however if you re only drag racing you can run a 050 offset intake stud mount rocker with the afr supplied guide plate exhaust will use a standard rocker. These competition ported heads feature 100 percent cnc machined intake runners exhaust ports and combustion chambers. The cylinder head also features cnc ported combustion chambers and. Afr 245 cc 2 850.

Afr recommends the use of 120 thick wall pushrods. Afr s 245cc competition heads feature 100 cnc ported intake exhaust chambers. Mills flat or angle mills could affect flow numbers and might require a thicker intake gasket.