LS1 PRO-1 CYLINDER HEAD
DART 11011112

LS1 PRO-1 CYLINDER HEAD205CC A/P 62CC ASSM.

205cc 62cc 2.02 1.60 valve Comes assembled with beehive style valve spring.

Dart's LS1 Cylinder Heads are cast from the same virgin 355-T6 aircraft alloy that is used in Dart Pro-Stock heads. These LS style heads are available with high flowing as-cast ports. Standard valve angle and spacing is retained for bolt-on compatability. As cast heads are bowl blended on 5-axis machining centers. Manganese bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels.