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Dart Pro1 LS 15° Cylinder Heads 280cc 68cc Assembled (Pair)
Take your LS build to the next level with this pair of Dart Pro1 LS 15 Degree Assembled Cylinder Heads (DRT11030153). Designed for serious street and race applications, these high-performance aluminum cylinder heads deliver exceptional airflow, durability, and horsepower potential for GM LS-based engines.
Each head features a 280cc intake runner and 68cc combustion chamber, making them ideal for high-horsepower builds. Sold as a matched pair, these heads come fully assembled and ready to install with premium valvetrain components.
Key Features
- Sold as a complete pair (2 cylinder heads)
- High-flow 280cc intake runners for maximum airflow and horsepower
- 68cc combustion chambers ideal for performance LS builds
- Fully assembled with valves, springs, retainers, and seals
- Compatible with hydraulic roller camshafts up to .650" lift
- Premium aluminum construction for strength and reduced weight
- Designed for GM LS-series engines
Specifications (Per Head)
| Part Number | DRT11030153 |
| Product Line | Dart Pro1 LS 15 Degree |
| Configuration | Assembled |
| Material | Aluminum |
| Combustion Chamber Volume | 68cc |
| Intake Runner Volume | 280cc |
| Exhaust Runner Volume | 102cc |
| Intake Valve Size | 2.165" |
| Exhaust Valve Size | 1.600" |
| Max Valve Lift | .650" |
| Valve Springs | Dual, 1.295" Diameter |
| Valve Retainers | Titanium |
| Valve Guide Material | Manganese Bronze |
| Valve Seat Material | Ductile Iron |
| Valve Angle | 15 Degree Intake / Exhaust |
| Camshaft Compatibility | Hydraulic Roller |
| Port Shape | Rectangle Intake / Square Exhaust |
| Finish | Natural Aluminum |
Fitment
Designed for GM LS-series engines. Ideal for high-performance street, strip, and racing applications requiring increased airflow and horsepower.
Important Notes
- This listing is for a pair of cylinder heads (2 total)
- Professional installation recommended
- Verify compatibility with your specific LS build before purchase
Why Buy From Lee Motorsports?
At Lee Motorsports, we specialize in high-performance parts for serious builds. Whether you're chasing ETs at the track or building a street machine, we supply components that perform when it matters most.