AFR 1422 185cc Renegade Aluminum Cylinder Heads 58cc Ford Small Block Stud Mount

AFR's new 185cc Renegade Ford head is a clean sheet ground up redesign of their already formidable and proven 20 degree Ford heads. These new 185cc heads flow drastically more, averaging a 17 cfm increase from .200-.600 in. lift, than AFR's previous best 185cc. If you're looking for a decisive advantage for your small block Ford street/strip car, check out these all new AFR 185cc intake port emissions legal (CARB EO #250-3) performance cylinder heads. With lightweight 8mm 2.020 in. intake valves, 1.600 in. exhaust valves, 58cc combustion chamber volumes , and 70cc exhaust ports, AFR's new 185cc Ford cylinder heads are designed for 302-367 cid engines operating from 1500 rpm to 6500 rpm. A 3/4 in. thick head deck makes the AFR head ideal for nitrous or blower applications. Will not accept rail rocker arms and hardened pushrods are required. High flow 2.020 in. valves might require aftermarket pistons notched for valve clearance.

Specifications:

* Combustion Chamber Volume: 58cc
* Intake Runner Volume: 185cc
* Exhaust Runner Volume: 70cc
* Intake Valve Diameter: 2.08 in.
* Exhaust Valve Diameter: 1.60 in.
* Valve Stem Diameter:  8mm
* Valve Guide Material: Bronze
* Deck Thickness: 3/4 in.
* Valve Spring Diameter: 1.290 in.
* Valve Spring Max Lift: 0.600 in.
* Rocker Arm Stud Size: 3/8-24 in.
* Guideplates: Yes
* Pushrod Diameter: 5/16 in.

Notes: 1986 5.0L must have pistons notched for clearance. These cylinder heads will accept AIR injection and are street ported.