18575070 - Dart Big Chief Head


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Part #: 18575070
Notes: Big Chief 11 Degree Cylinder Head
Full Oval Port, Bare Casting
MSRP: $3,767.64
Your Price: $3,404.55
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Specs

Comb Chamber 90cc
Intake Runners 497cc
Valves 2.250 Int / 1.880 Exh

This Item Also Available In

Part Number Price Notes & Specs
18074030 $2,954.23 Notes Big Chief 18 Degree Cylinder Head
Full Port, Bare Casting
Comb Chamber 100cc
Intake Runners 424cc
Valves 2.400 Int / 1.900 Exh
18475030 $1,673.63 Notes Big Chief 18 Degree Cylinder Head
Bare Casting
18000000S $1,865.85 Notes Big Chief 18 Degree Cylinder Head
Bare Casting
18035136 $2,643.35 Notes Big Chief 18 Degree Cylinder Head
Super Mod Assembly
Comb Chamber 100cc
Intake Runners 402cc
Valves 2.400 Int / 1.900 Exh
18474030 $1,673.63 Notes Big Chief 18 Degree Cylinder Head
Bare Casting
18575179 $4,816.20 Notes Big Chief 11 Degree Cylinder Head
Full Oval Port Assembly
Comb Chamber 90cc
Intake Runners 497cc
Valves 2.470 Int / 1.880 Exh
18035030 $1,985.02 Notes Big Chief 18 Degree Cylinder Head
Super Mod, Bare Casting
Comb Chamber 100cc
Intake Runners 402cc
Valves 2.350 Int / 1.840 Exh
18100000S $1,821.43 Notes Big Chief 14 Degree Cylinder Head
Bare Casting
18275070 $3,404.55 Notes Big Chief 14 Degree Cylinder Head
Full Oval Port, Bare Casting
Comb Chamber 82cc
Intake Runners 440cc
Valves 2.470 Int / 1.880 Exh
18075136 $3,481.79 Notes Big Chief 18 Degree Cylinder Head
Full Port Assembly
Comb Chamber 100cc
Intake Runners 424cc
Valves 2.400 Int / 1.900 Exh
18474136 $2,254.88 Notes Big Chief 18 Degree Pro 1 Cylinder Head
Comb Chamber 100cc
Intake Runners 421cc
Valves 2.400 Int / 1.900 Exh
18000000 $1,466.03 Notes Big Chief 18 Degree Cylinder Head
Bare Casting
18275179 $4,816.20 Notes Big Chief 14 Degree Cylinder Head
Full Oval Port Assembly
Comb Chamber 82cc
Intake Runners 440cc
Valves 2.470 Int / 1.880 Exh
18300000 $1,821.43 Notes Big Chief 14 Degree Cylinder Head
Bare Casting
18034136 $2,643.35 Notes Big Chief 18 Degree Cylinder Head
Super Mod Assembly
Comb Chamber 100cc
Intake Runners 402cc
Valves 2.400 Int / 1.900 Exh
18200000 $1,821.43 Notes Big Chief 14 Degree Cylinder Head
Bare Casting
18074136 $3,481.79 Notes Big Chief 18 Degree Cylinder Head
Full Port Assembly
Comb Chamber 100cc
Intake Runners 424cc
Valves 2.400 Int / 1.900 Exh
18075030 $2,954.23 Notes Big Chief 18 Degree Cylinder Head
Full Port, Bare Casting
Comb Chamber 100cc
Intake Runners 424cc
Valves 2.400 Int / 1.900 Exh
18100000 $1,821.43 Notes Big Chief 14 Degree Cylinder Head
Bare Casting
18475136 $2,254.88 Notes Big Chief 18 Degree Pro 1 Cylinder Head
Comb Chamber 100cc
Intake Runners 421cc
Valves 2.400 Int / 1.900 Exh

All Fitments

UNKNOWN
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 ALL ALL ALL ALL ALL ALL

Product Description

The Big Chief head has dominated in sportsman classes since it’s introduction, and we have continued to improve the design with the latest Pro Stock Technology. With our sophisticated CNC machining programs, we can tailor a pair of Big Chief heads to fit your exact engine combination.

It is recommended that you contact a Dart technical representative before placing an order for this item. Detailed information about your planned engine build will help to ensure that you choose the right configuration for your motor and that any special parts and considerations are taken into account.

Features:

  • Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
  • 18° rolled valve angle and raised ports for excellent air/fuel flow characteristics.
  • 5-axis CNC machined intake and exhaust ports and combustion chambers.
  • Huge 2.400” intake and 1.900” exhaust valves.
  • Stainless steel or titanium valves available.
  • Spread port design eliminates inefficient port locations, increasing power and consistency.
  • Raised spark plug location improves flame travel for a quicker, more complete burn, producing more power.
  • All cylinder heads sold individually.

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