New updated version makes more power !!!!

Description:
The RFD15 is the most bad azz 15º head available for big inch small blocks.
Designed from the ground up as a large cubic inch head with matching cast 4 intakes available the Monster is capable of 900+ hp with a single 4 And well over 1,000 hp with Nitrous. The Edeblbrock Pro Port casting is one of the best. It's designed to use 18º manifolds !

We have several port & chamber designs for Circle Track, Road Race and Drags. Please call with your application.

No other 15º head compares!

Specifications:
> A 356 T-6 Aluminum
> Ductile Iron Valve Seats
> Bronze Alloy Valve Guides
> Standard 18º Intake Manifolds
> Requires Shaft Rockers
> 52cc Chambers
> Super thick 3/4" decks
> Drilled for center Ex cooling
> HIP Processed super strong castings
> Standard GM Spread port ex pattern
> Several port sizes available
> 256,271,284,320

Assembled Heads Include:
> 2.18"or 2.2" Intake and 1.6" Exhaust
> 1.65" Double roller valve springs
> 10º Titanium Retainers

Available Upgrades Include:
> Copper alloy seats and Titanium Valves.
> Starting at $3,600 bare