Dart ls 12 degree heads, Dart block, Dart LS3 15 degree heads, Molnar 4

Dart ls 12 degree heads, Dart's PRO1 LS Cylinder Heads are meticulously engineered for GM LS series engines. 3:1 LS2K Diamond Pistons, Fits 15 Degree Heads, 2000+ Horsepower Rated PART #: CNC-LS4273-Outlaw LS 427 Outlaw Short Block, 9. Dart’s new PRO1 LS 12° 285cc CNC Aluminum rectangle port cylinder head for GM LS7 Compatible small block V8 engines take performance to the next level. The most potential to increase performance--Dart Race Series 10-degree LS cylinder heads deliver perfection and power for NMCA Pro Stock. These heads come in diverse sizes and designs, tailored for both everyday street use and exclusive competition applications. These heads are intended to be paired with an aftermarket 6-bolt block with a minimum bore size of 4. Feb 18, 2026 · The solution he chose was a Borowski-built, 427 cubic inch, Whipple-supercharged LS engine using a Dart LS Next aluminum block. 0 intake. 125 Boost Line rods, Racetech 4. This full CNC ported cylinder head offers higher performance and more versatility than factory designs.


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