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DART Pro 1 LSX-205 Cylinder Heads

  • Beehive Spring Package
  • Assembled Head
  • Assembled Head
  • Assembled Head
  • Combustion chamber
  • Hand porting available
Your Price:
$2,149.99 (You save $70.00)
DART LS1-205
70.00 LBS
Calculated at checkout

Product Description

DART Pro 1 LSX - 205 "As Cast" Cylinder Heads

The Dart high performance cylinder heads have better air flow, more efficient combustion and more user friendly features than production LS1 castings - and costs less than comparable OEM heads. The Dart based LS heads retain stock valve angles, stock valve locations and stock accessory mounting holes to make installation easy. Virtually everything else has been improved.

FTI-Prepped DART Cylinder Head Feature:

355-T6 Casting with 15* Valve Angle
205cc "As Cast" Intake Port Volume
62cc "As Cast" Combustion Chamber
2.020” x 8mm Stainless Intake Valves
1.600” x 8mm Stainless Exhaust Valves
Lunati Dual Valve Spring Package
Chromemoly Steel Retainers
Hardened ”Bead-Lock” Style Valve Locks
Steel Shell Viton Valve Seals
Serdi Competition Multi-angle Valve Job
Mild Blended Valve Pockets
Diamond Honed Valve Guides
Flat Milled for MLS Gasket Usage
296/210 CFM at .550” – 3.900 Bore
FTI Prepped and Assembled to "RACE READY" form

Flat Mill Decks to 58cc Chambers
PAC Racing 1221 Valve Spring Upgrade
PAC Racing 1521 Valve Spring Upgrade
Hollow Stem Intake Valves
Inconel Exhaust Valves

DART LSx PRO 1 Series Heads Details:
- Premium alloy virgin 355-T61 aerospace aluminum for superior strength and intengrity.
- Extra thicks port walls provide additional material for porting.
- Additional metal above the ports accommodates valvetrain upgrades.
- Standard multi-angle intake, radiused exhaust seats and CNC machined valve bowls enhance flow.
- Manganese bronze valve guides and interlocking hardened valve seats ensure long term reliability.
- Racing inspired combustion chamber improves flame propagation and increases air flow.
- Intake valve diameters 2.020 inch valves for 205cc intake runners.
- Optimized 85cc exhaust ports are 15cc larger than stock
- Large diameter 1.600 inch exhaust valves scavenge the cylinders quickly.
- Standard valve angle and spacing are retained to allow use of off the shelf pistons and valvetrain components.
- 5-axis CNC bowl blended for optimal flow characteristics.

- PRICED PER PAIR - Individual heads available by request.

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