Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
QUALITY STRENGTH PERFORMANCE SINCE 1981<br />
QUICK INFO >>><br />
Maximum street or marine performance, bracket racing,<br />
heads up and super classes. Over 7,000 RPM, 540+<br />
cubic inches.<br />
The PRO1 24° 345cc cylinder head is for uncompromising<br />
performance and racing applications<br />
which favor high RPM power over low end flexibility.<br />
Best for big cubic inch, high RPM use.<br />
Rolled valve angles, improved spark plug location,<br />
extra long intake valves, raised exhaust<br />
ports, and fast burn chambers. Works with off<br />
the shelf pistons, valve train components, and<br />
intake manifolds.<br />
Long wearing Bronze valve guides, screw-in<br />
studs, multi-angle intake seats with hardened,<br />
radiused exhaust seats are standard.<br />
Assemblies include Stainless Steel valves, premium<br />
springs, locks, retainers, guide plates and<br />
seals.<br />
Heads are sold individually.<br />
PRO1 24° 345cc - ALUMINUM<br />
24°<br />
345cc<br />
DART MARINE PRO1 CYLINDER HEADS<br />
Features an exclusive Teflon© surface finish to<br />
inhibit corrosion and extend the life of the head.<br />
Fitted with Inconel exhaust valves to withstand<br />
the extended running time and temperatures<br />
typical of marine usage.<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
19300030 Bare Head<br />
19300132 1.550” Dual Springs for Solid Roller .700”<br />
19300136 1.625” Dual Springs for Solid Roller Cam .850”<br />
PRO1 24° 345cc - ALUMINUM (Marine Heads)<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
19300030M Bare Head<br />
19300132M 1.550” Dual Springs for Hydraulic Roller Cam .660”<br />
BIG BLOCK CHEVY<br />
CAST ALUMINUM CYLINDER HEADS<br />
Head parts kit - see page 118.<br />
Uses +.250” long intake valves.<br />
RECOMMENDED MANIFOLDS<br />
FOR 9.800” DECK BLOCKS<br />
41114000 Single Plane 4150<br />
41124000 Single Plane 4500<br />
FOR 10.200” DECK BLOCKS<br />
41115000 Single Plane 4150<br />
41125000 Single Plane 4500<br />
PRO1 24° 345cc SPECS<br />
Material:<br />
RMR Cast<br />
Aluminum Alloy<br />
Valve Angle: 24°<br />
Intake Port Volume: 345cc<br />
Intake Valve: 2.300”<br />
Exhaust Valve: 1.880”<br />
Chamber Volume: 121cc<br />
Intake Port Shape: Rectangle<br />
Exhaust Port Location: .300” raised<br />
FLOW DATA @ 28” WATER<br />
LIFT INTAKE EXHAUST<br />
.200” 165 127<br />
.300” 244 170<br />
.400” 308 211<br />
.500” 355 244<br />
.600” 378 267<br />
.700” 396 282<br />
.800” 399 294<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 />
79
Change language