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Dart Heads

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Chevrolet: 262-400, 64cc, 200 cc intake runner, 2.02/1.60 diameter intake/exhaust valves, 1.250 in. diameter single valve springs, straight spark plugs, assembled, Iron Eagle head

Cast Iron #10321111, Cost $Call

Is there such a thing as a cast iron performance head? You betcha, this Dart Iron Eagle Head for Chevy will give you the performance you want at a great price. It features thick port walls (extra meat for porting!), enlarged water passages, multi-angle, racing profile intake valve seats, hardened and radiused exhaust valve seats, and bronze valve guides. It's fully assembled with stainless steel valves, valve springs, locks, and retainers.

Specifications:
Intake Runner: 200 cc
Combustion chamber: 64 cc
Straight spark plugs
Intake valve: 2.02 in.
Exhaust valve: 1.60 in.
Valve spring diameter: 1.250 in. single springs

Race proven features and affordable pricing make this Dart Pro 1 355-T6 aluminum cylinder head one of the biggest values in racing. The head features 23 degree valve angles, interlocking hardened valve seats, and 11/32 in. bronze valve guides. In addition, the fully assembled head includes stainless steel valves, valve springs, retainers, locks, seals, studs, and guideplates. It has straight spark plugs and accepts all early and late model accessory brackets.

Aluminum #11321111, Cost $Call

Great performance heads at an affordable price.

Chevrolet: 262-400, 64cc, 200 cc intake runner, 2.02/1.60 diameter intake/exhaust valves, 1.250 in. diameter valve springs, straight spark plugs, assembled, 23 degree, aluminum, Pro 1 head.

Dart Product Line, Click Here

Edelbrock Heads

Victor Jr. 23°. Ideal for racers looking for an affordable head that makes maximum power, the Victor Jr. 23° heads are designed for competition and ultra high-performance street small-blocks and accept standard valvetrain hardware. They have a 530-580 hp potential, out-of-the-box, for a cost effective, race-winning set-up. Combustion chamber sizes include 70cc or the new 64cc version that is ideal for entry level racers or high-end street. The 64cc combustion chamber yields around 10.2:1 compression in a zero-deck flat-top 350-inch engine, and about 12.5:1 when used with a 12cc domed piston. Both versions of the Victor Jr. 23° head feature high-flow 215cc intake ports with CNC port-matched entries, .300" raised exhaust ports, hardened, ductile iron valve seats and phosphor bronze guides. A 9/16" thick deck surface provides superior gasket retention. See chart for more specs. Match with an Edelbrock Super Victor #2925 manifold for maximum power.

#77599, $Call

See chart for more specs.

Airflow Research 357cc Fully CNC Ported BBC Head

AFR’s Magnum Series

If “Dirty Harry” drove a racecar, it would certainly be fitted with a pair of our 345 or 357 “Magnum” cylinder heads. If huge horsepower is what you are searching for, either of these castings will certainly deliver. With our Race Ready “As Cast” 345cc flirting with 400 CFM and our fully CNC ported 357cc flowing 425 CFM, these heads represent the ultimate in airflow for your BB Chevrolet. Our 357 “Magnum” flows over 415 CFM @ .700 valve lift! No other production style BB Chevy head even comes close. Both of these heads were targeted at larger cubic inch engines (509-632 CID) looking for maximum horsepower and rpm capability with a primary operating range of 3500-8000 rpm’s (This range is an average and will vary with engine displacement and component selection). These heads will also provide impressive torque figures at higher rpm levels. Blown, turbo, and nitrous engines will especially like the larger, higher flowing intake ports.Both of these heads will work best with camshafts exceeding .750 gross valve lift to make better use of the substantial airflow found in the higher lift range. Both the 345cc and the 357cc come standard with AFR’s trademark .750” thick head deck, reinforced rocker stud bosses, and are equipped with premium one piece stainless steel 2.300” intake valves and 1.880” exhaust valves. Standard combustion chamber volume is 119cc’s on the 345 “As Cast” pieces, while our fully CNC ported 357 version comes with a 121cc chamber. Both are available with an optional 114cc combustion chamber as well. Properly selecting the correct cylinder head depends on a large number of variables. Please consult with one of our sales technicians to assist you in making the best decision for your particular application. #2010, Cost $Call

Note:

Optional stud girdle required for 2° rolled valve angles and 1” longer head bolts needed on four top head bolt holes.

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