The afr ls3 heads also featured 95 cc exhaust port 69 cc combustion chambers and a 2 165 1 60 valve package.
Afr 245 heads reviews.
Joeporting wrote the afr 227 235 245 sbc heads are a 60 90 head meaning the intake valve is moved toward the center of the combustion chamber by 060 and the exhaust valve is moved toward the cylinder wall by 090 this means the pv clearance is not as important from a depth perspective as it is from a radial perspective.
Find afr 245cc npp sbc eliminator racing cylinder heads and get free shipping on orders over 99 at summit racing.
Mills flat or angle mills could affect flow numbers and might require a thicker intake gasket.
Where the stock 6 0l heads 317 castings flowed a respectable 244 cfm the ls3 heads offered 318 cfm.
Afr 245cc npp sbc eliminator racing cylinder heads are their largest and most powerful 60 40 head for the small block chevy.
As with the previous afr heads the eliminator heads will be made available in 64 and 76cc chambers.
Afr 245 npp sb chevrolet competition racing cylinder heads 70cc performance like a raised runner head.
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.
These competition ported heads feature 100 percent cnc machined intake runners exhaust ports and combustion chambers.
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.
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.
The afr 245 cathedral port heads used in this test stepped things up even further with peak.
Afr recommends the use of 120 thick wall pushrods.