04.12.2017 Views

2018_DartCatalog_Final_compressed

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

QUALITY STRENGTH PERFORMANCE SINCE 1981<br />

Dart’s PRO1 23° 180cc Platinum series heads<br />

utilize wet flow technology. Independent tests<br />

have demonstrated an average 25 horsepower<br />

gain over the original trend setting PRO1 design.<br />

These 180cc as cast heads out perform many<br />

larger heads in a wide range of applications.<br />

Long wearing Bronze valve guides, screw-in<br />

studs, multi-angle intake seats and hardened,<br />

radiused exhaust seats are standard.<br />

Assemblies include Stainless Steel valves,<br />

premium springs, locks, retainers, studs, guide<br />

plates and seals.<br />

Heads are sold individually.<br />

23°<br />

180cc<br />

QUICK INFO >>><br />

Excellent street, strip, oval track, truck or marine<br />

performance upgrade. Maximum torque and throttle<br />

response from idle to 6,000 RPM. Best for 327-<br />

400 cubic inch engines. Works with most standard<br />

components.<br />

PRO1 23° 180cc - ALUMINUM (Straight Plug Heads)<br />

64cc COMBUSTION CHAMBERS<br />

PART NO. CONFIGURATION FOR USE MAX. LIFT<br />

11120010P Bare Head<br />

11121111P 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />

11121112P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />

72cc COMBUSTION CHAMBERS<br />

PART NO. CONFIGURATION FOR USE MAX. LIFT<br />

11220010P Bare Head<br />

11221111P 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />

11221112P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />

PRO1 23° 180cc - ALUMINUM (Angle Plug Heads)<br />

SMALL BLOCK CHEVY<br />

CAST ALUMINUM CYLINDER HEADS<br />

64cc COMBUSTION CHAMBERS<br />

PART NO. CONFIGURATION FOR USE MAX. LIFT<br />

11110010P Bare Head<br />

11111111P 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />

11111112P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />

72cc COMBUSTION CHAMBERS<br />

PART NO. CONFIGURATION FOR USE MAX. LIFT<br />

11210010P Bare Head<br />

11211111P 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />

11211112P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />

Head parts kit - see page 118.<br />

Uses 3/8” screw-in rocker studs.<br />

7/16” upgrade available.<br />

RECOMMENDED MANIFOLD<br />

42811000 SHP Dual Plane<br />

PRO1 23° 180cc SPECS<br />

Material:<br />

RMR Cast<br />

Aluminum Alloy<br />

Valve Angle: 23° (stock)<br />

Intake Port Volume: 180cc<br />

Intake Valve: 2.020”<br />

Exhaust Valve: 1.600”<br />

Chamber Volume: 64 or 72cc<br />

Plug Types:<br />

Straight or angle<br />

FLOW DATA @ 28” WATER<br />

LIFT INTAKE EXHAUST<br />

.200” 139 117<br />

.300” 194 154<br />

.400” 233 179<br />

.500” 260 195<br />

.600” 269 205<br />

SHORT BLOCKS TOP KITS BLOCKS HEADS MANIFOLDS CRANKSHAFT ACCESS SBC LS BBC SBF HON COATINGS BILLET<br />

Not intended for sale or use with pollution controlled vehicles.<br />

248.362.1188 / DARTHEADS.COM Connect with us socially, search: DART MACHINERY<br />

33

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!