• Dart LS3 Cylinder Heads

Recommended for engines with 4.000” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications.

Dart’s new LS based PRO1 LS 15° 280cc Aluminum square port cylinder head for GM LS series small block V8 engines take performance to the next level. Offers higher performance and more versatility than factory designs.

The 15° based high performance cylinder head has better airflow, more efficient combustion chambers and more user friendly features than production LS castings. The Dart PRO1 LS 280cc cylinder head retains stock valve angles, stock valve locations and stock accessory mounting holes to make installation easy. Virtually everything else has been improved.

Heads are sold individually.

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Dart LS3 Cylinder Heads

  • Product Code: product 53
  • Availability: In Stock
  • $0.00

  • Ex Tax: $0.00

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