Description
The place was Columbus, Ohio in 1992 at the Nationals. Indy introduced the 440-1 head and manifold combination that soon became the most popular power for the 440 Wedge engine. With the newly designed heart shaped combustion chamber, it’s still the best selling package at Indy, transforming power deprived combinations into serious street/strip machines.
The best use of the 440-1 is a 451″ to 540″ bracket engine. This head makes the engine perfect for the serious bracket racer… 650HP to 850HP engines with a single carburetor that produces great torque and low shift points. Purchase a complete kit for correct engineered compatibility.
LONG VALVE DESIGN – FEEL THE POWER
- Assembled heads come with hydraulic, solid, or roller springs good up to .750″ lift.
- Recommended 10 degree locks for solid or roller cam.
- Customer must supply cam specs.
- Uses .800″ offset intake rocker (1.5 or 1.6 ratio).
- Machined for stock rocker shafts or Jesel rockers.
- Valve angle is stock 15 degrees, stock valve location.
- Stock 440 exhaust bolt pattern (raised exhaust port, may need custom headers).
- Intake port volume 310cc.
- Intake volume is 110cc bigger than stock head.
- Exhaust port volume 110cc.
- Intake valve diameter 2.19″ – 5.344″ overall length.
- Exhaust valve diameter 1.81″ – 5.370″ overall length.
- 2.25″ intake valve diameter optional.
- 75cc combustion chamber volume (heart shaped).
- Can be milled to 62cc.
- Head Gasket: Fel-Pro #1009.
- Intake Gasket: Indy #216.
- Exhaust Header Gasket: Indy #221.
- Head Bolts: Manley #440-16.
- Head Studs: ARP #440-17.
- Valve Guides: 11/32 solid bronze.
- 3/4 reach gasket seat spark plugs.
- Accepts all Indy intake manifolds.
- Head bolt torque 70 ft. lbs.
- Rocker shafts 25-30 ft. lbs.
- 7/16-14 Jesel rocker bolts 50 ft. lbs.
- Best engine range 451 cid to 540 cid.
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