Dart Iron Eagle 23° Small Block Chevy 215cc Bare Cylinder Head PN 10520020P

Description

Dart Iron Eagle Small Block Chevy 215cc Bare Straight Plug Cylinder
Using proprietary Speed Flow technology, Dart has developed more efficient port designs with improved velocity and flow capabilities. The combustion chambers and ports have been redesigned for greater breathing characteristics and more controllable combustion. Casting walls are cleaner and more consistent, resulting in better control over flow and heat.
Standard 23 degree valve angle
Standard port location and intake bolt pattern fit most manifolds
Pushrod holes enlarged for clearance with high ratio rocker arms
Heart shaped chambers improve combustion efficiency
Multi-angle intake seats and radiused exhaust seats dramatically increase airflow
Hardened exhaust seats compatible with unleaded gasoline
Manganese bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life
Spark plug holes are machined for tapered seat 5/8" hex "peanut" spark plugs
Dual bolt pattern accepts flange mount and center bolt valve covers
Item Details
Straight Plug
215cc Intake Runner, 50cc Combustion Chamber
These heads are sold singularly, if you need a pair please choose qty 2 in checkout.