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CHAMPIONSHIP ENGINE COMPONENTS<br />
MADE IN THE USA<br />
SHORT BLOCKS TOP KITS BLOCKS HEADS MANIFOLDS CRANKSHAFT ACCESS SBC LS BBC SBF HON COATINGS BILLET<br />
QUICK INFO >>><br />
Serious performance upgrade for street, mild bracket<br />
racing and oval track racing. Maximum torque and<br />
throttle response from idle to 6,800 RPM. Best for<br />
347-427 cubic inch engines. Works with most standard<br />
components.<br />
PRO1 20° 195cc Aluminum cylinder heads feature<br />
increased airflow for larger engines and<br />
higher RPM usage.<br />
Standard valve angle and spacing is retained<br />
for bolt on compatibility. Exhaust runners are<br />
raised .135” for improved flow. Manganese<br />
Bronze valve guides are used for long life, and<br />
hardened valve seats provide durability with<br />
unleaded fuels. Features both 2.500" and 3.000"<br />
exhaust bolt patterns.<br />
Assemblies include Stainless Steel valves,<br />
premium springs, locks, retainers, studs, guide<br />
plates and seals.<br />
Heads are sold individually.<br />
PRO1 20° 195cc - ALUMINUM<br />
20°<br />
195cc<br />
SMALL BLOCK FORD<br />
CAST ALUMINUM CYLINDER HEADS<br />
58cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
13200010 Bare Head<br />
13201111 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />
13201112 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
13201113 1.550” Dual Springs for Solid Roller Cam .700”<br />
62cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
13210010 Bare Head<br />
13211111 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />
13211112 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
13211113 1.550” Dual Springs for Solid Roller Cam .700”<br />
Head parts kit - see page 118.<br />
Uses 3/8” screw-in rocker studs.<br />
7/16” upgrade available.<br />
Assemblies with 1.550” valve spring<br />
use +.100” long valves.<br />
PRO1 20° 195cc SPECS<br />
Material:<br />
RMR Cast<br />
Aluminum Alloy<br />
Valve Angle: 20° (stock)<br />
Intake Port Volume: 195cc<br />
Intake Valve: 2.020”<br />
Exhaust Valve: 1.600”<br />
Chamber Volume: 58 or 62cc<br />
FLOW DATA @ 28” WATER<br />
LIFT INTAKE EXHAUST<br />
.200” 145 112<br />
.300” 205 151<br />
.400” 246 171<br />
.500” 272 173<br />
.600” 283 172<br />
.700” 288 185<br />
Not intended for sale or use with pollution controlled vehicles.<br />
108<br />
248.362.1188 / DARTHEADS.COM Connect with us socially, search: DART MACHINERY
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