Produktbeschreibung
527-13
Answer to most of your Question
- Can be purchased in kit from (527-13K)
- 572-14K includes everything between block and carb (head studs ARP #440-17 must purchase seperatley)
- Assembled heads come with roller springs good up to .800_ lift, CNC chambers, porting required
- Customer must supply cam specs
- Machined for Jesel rockers only
- Valve angle 13 degrees
- Stock 440 exhaust bolt pattern
- Accessory holes in stock location
- Intake port volume 335cc
- Exhaust port volume 118cc
- Intake valve diameter 2.300 _ - 5.494 _ overall length
- Exhaust valve diameter 1.88 _ - 5.522 _ overall lenght
- Titanium 2.350_ intake valve is optional
- 79cc combustion chamber volume
- Flat mill .006_ per combusition chamber cc
- Can be milledto 62cc
- 4.500_ bore required for 572-13 heads
- Must use spray bar valve covers (440-8S)
- 2_ spring height, 1.625_ common diameter
- Head gasket: Fel-Pro #1039, or copper woth o-ringring
- Intake gasket Indy #218
- Exhaust header gasket Indy #222- Head studs: ARP #440-17
- Valve guides 11/32 solid bronze
- ¾ reach gasket seat spark plugs
- Champion C57CX (cold) to C63CX (hot)
- Accepts all indy intake manifolds
- Head bold torque 70 ft. Ibs.
- 7/16-14 Jesel rocker bolts 50 ft. Ibs.
Theultimate wedge head for a 572_ engine. Big engines require superior air flow when 900 to 1000 horsepower is the goal. The 572-13 head is designed for a 4.500_ bore with the valves moved on center. This allows the exhaust valve to be moved and a lager diameter intake valve to be utilized. This combination delivers excellent toque, horsepower, and the reliability needed to make a bracket racer consistent, round after round. The 572-13 heads respond best when used with the NEW 440-3X big volume 4500 intake ma
Nifold. These combinations produce a 72 engine that is a lightweight maxx power combination just waiting to win.
-Push rod length must be checked
- Accepts ball to ball pushrod
- Best head to use with MP Mega Block
- Best engine range 528_ to 605_
