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Dart Pro1 LS 15 degree cylinder heads assembled pair 280cc intake 68cc chamber GM LS performance aluminum heads

Dart Pro1 LS 15° Cylinder Heads 280cc 68cc Assembled (Pair)

Performance Parts & Racing Equipment
$3,775.28 $3,299.00
DRT11030153
Dart The Stacker’s Attic – Used & New Drag Racing Parts, Performance Auto Parts & Surplus Deals
Take your LS build to the next level with this pair of Dart Pro1 LS 15 Degree Assembled...

Performance Parts & Drag Racing FAQ

Answers to common questions about drag racing parts, performance upgrades, race fuel, and top brands like MSD, Holley, Edelbrock, Aeromotive, Weld Wheels, and Mickey Thompson.
  • Upgrades like MSD ignition systems, Holley or Aeromotive fuel systems, cylinder heads, and high-performance exhaust components can significantly improve horsepower, throttle response, and overall drag racing performance.
  • In many cases, yes. Aftermarket parts from brands like Edelbrock, Holley, and MSD are designed for higher performance, durability, and tuning flexibility compared to stock OEM components.
  • Many parts can be used on both street and race applications, but some components—such as race fuel systems or aggressive engine upgrades—are better suited for dedicated performance or drag racing builds.
  • Race fuel typically has a higher octane rating, but that alone doesn’t create more horsepower. The real benefit is that higher octane fuel allows an engine to run higher compression ratios, more aggressive ignition timing, and increased boost without detonation. This means properly built engines can safely make more power and perform more consistently under racing conditions compared to running standard pump gas.
  • We compete directly with nationwide distributors like Summit Racing and JEGS, but customers continue to choose us because we offer something they can’t—real-world racing experience and personalized service. We’re a family-run business built on 25+ years in drag racing, not just a warehouse moving boxes. That means we understand how parts actually perform on the track, can help guide real builds, and stand behind what we sell. You’re not just buying parts—you’re getting knowledge, support, and experience from people who live this every day.

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