SKU: 9642106952

Dart Pro1 LS 15° Cylinder Heads 280cc 68cc Assembled (Pair) | 2.165/1.600 Valves | GM LS Performance Heads

Sale price$1484.55 Regular price$1649.50
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

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Description

Dart Pro1 LS 15° Cylinder Heads 280cc 68cc Assembled (Pair) | 2.165/1.600 Valves | GM LS Performance HeadsTake 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

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9642106952

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Allen webber
Bozeman, US
★★★★★ 4
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Quality product at a great price.
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Reviewed in the United States on April 4, 2026
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Dylan
New York, US
★★★★★ 5
Best wire on Amazon
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
I am convinced that this is some of the best wire on Amazon, if not in general. It's much thicker with more strands inside than other wire labelled as the same AWG. It has much higher quality insulation that can withstand double the temps of the cheaper stuff (big deal if using in engine bay etc.). And even then somehow its supper supple and soft to work with, strips very easily and cleanly. Definitely recommend spending the extra $ to go with BNTECHGO brand for wire. I was very please with both the 12 and 14 AWG wire in 10ft red and black.
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Reviewed in the United States on August 13, 2024
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Mr. G
Massapequa, US
★★★★★ 5
As advertised
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
As advertised
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Reviewed in the United States on May 3, 2026
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Just a person
Chelsea, US
★★★★★ 5
Flexible, soft, and full of wire.
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
Super-soft and flexible casing with a high density of fine wires inside. You won't have to worry about it being 90% insulation.
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Reviewed in the United States on September 15, 2025
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CharlieOakes
Phoenix, US
★★★★★ 5
Very good audio receiver for my tower speakers and record player set up
Style: Stereo Receiver, Configuration: Receiver
I have had my 1980s Roger sound lab CG 82 Tower speakers connected to a 1999 Technics audio receiver. I use this set up for Radio and my record player. After many good years, the low end on my audio receiver gave out. I have had it serviced before, but I have owned it for five years and it is a 27-year-old piece of gear that has seen better days. ChatGPT led me to this receiver. It took me less than five minutes to connect my speakers. What I love about this receiver is that it’s so simple to use. The radio signal is very good right out the box without an additional antenna. I was resistant to buying a Bluetooth receiver, but it connected to my iPad and my iPhone in seconds. Now I can play backing tracks through my Roger sound lab speaker speakers while I jam out on guitar. No issues with sound quality or anything like that. Runs cool and quiet. If you are a total audio file, you could buy something more expensive. I am a musician and I listen to vinyl. Mostly jazz and classical, and this is fine for my needs. For most people running a record player, looking to modernize with a Bluetooth enabled receiver, this will suit your needs.
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Reviewed in the United States on April 15, 2026

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