Page 195 - 2018 Master Catalog

PRO 1 15° - 205cc
CAST ALUMINUM HEADS
Has better airflow, more efficient combustion
chambers, and more user friendly features
IRON EAGLE 23° - 165cc than production LS castings.
CAST IRON HEADS Gen III - Cathedral Port
• 55-86 Std. Face w/ Self-Aligning Rockers PART NO. DESCRIPTION VALVES MAX LIFT
• Intake Valve: 1.940” or 2.020” 205cc - Aluminum
• Exhaust Valve: 1.500” or 1.600” 11010010 Bare Head, (Cathedral Port) 2.020”/1.600” VJ ---
• Plug Type: Straight 11011112 1.290” Beehive Springs for Hydraulic Roller 2.020”/1.600” .625”
Small Block Chevy S/S
PART NO. DESCRIPTION MAX LIFT PRO 1 15° - 225cc
67cc CHAMBERS - 1.940”/1.500” VALVES CAST ALUMINUM HEADS
10024361 Bare Head (WISSOTA Spec Head) --- Has better airflow, more efficient combustion
67cc CHAMBERS - 2.020”/1.600” VALVES chambers, and more user friendly features
10024266 Bare Head --- than production LS castings.
76cc CHAMBERS - 2.020”/1.600” VALVES Gen III - Cathedral Port
10024267 Bare Head --- PART NO. DESCRIPTION VALVES MAX LIFT
225cc - Aluminum
IRON EAGLE 23° - 170cc 11020020 Bare Head, (Cathedral Port) 2.050”/1.600” VJ ---
CAST IRON HEADS
Late model and Vortec intake face. Stock PRO 1 15° - 280cc
replacement, street & strip performance, towing CAST ALUMINUM HEADS
upgrade with mildly modified from idle to 5,500
RPM. Best for 305-383 cu. in. engines. Recommended for engines with 4.000”
Small Block Chevy S/S bore or larger. Maximum competition,
comp/modified drag racing, circle track,
PART NO. DESCRIPTION MAX LIFT and heavy duty applications.
67cc CHAMBERS - 1.940”/1.500” VALVES Gen III - Square Port
10024365 Bare Head - Center bolt valve covers only ---
PART NO. DESCRIPTION VALVES MAX LIFT
280cc - LS3 Compatible
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---
Bare Head, (Square Port)
IRON EAGLE 23° - 200cc 11030050 1.290” Beehive springs for Hydraulic roller 2.165”/1.600” .625”
11030152
CAST IRON HEADS 11030153 1.295” Dual springs for Hydraulic roller 2.165”/1.600” .650”
Offer increased high lift air flow for
large displacement engines. PRO 1 23° - 215cc
Small Block Chevy
PART NO. DESCRIPTION MAX LIFT CAST ALUMINUM HEADS
64cc CHAMBERS Serious street performance, modified oval
10320010P Bare Head, (Straight Plug Head) --- track and bracket racing. Mid-range to
49cc CHAMBERS 7,000 RPM. Best for 400+ cu. in. engines.
Small Block Chevy
10310010PF Bare Head, (Angle Plug Head) ---
64cc CHAMBERS PART NO. DESCRIPTION MAX LIFT
10310010P Bare Head, (Angle Plug Head) --- 64cc COMBUSTION CHAMBERS
11510020P Bare Head, (Angle Plug Head) ---
IRON EAGLE 23° - 215cc PRO 1 23° - 230cc
CAST IRON HEADS CAST ALUMINUM HEADS
For big cubic inch, high RPM applications Maximum performance/full competition,
which favor peak power over low end flexibility. unlimited oval and super classes.
Small Block Chevy 7,000+ RPM, 400+ cu. in. engines.
PART NO. DESCRIPTION MAX LIFT Small Block Chevy
64cc CHAMBERS PART NO. DESCRIPTION MAX LIFT
10510020P Bare Head, (Angle Plug Head) --- 64cc COMBUSTION CHAMBERS
49cc CHAMBERS 11710040P Bare Head, (Angle Plug Head) ---
10510020PF Bare Head, (Angle Plug Head) ---
PRO 1 20° - 440cc
IRON EAGLE 23° - 230cc CAST ALUMINUM HEADS
CAST IRON HEADS Maximum competition, high torque,
high compression - low dome.
Platinum heads are intended for maximum 8000+ RPM, 500+ cubic inches.
effort competition engines with large Big Block Chevy
displacements and very high RPM usage. PART NO. DESCRIPTION MAX LIFT
Small Block Chevy 440cc - Aluminum
PART NO. DESCRIPTION MAX LIFT 19705090 Bare Head ---
49cc CHAMBERS 19705199 1.650” Triple Springs for Solid Roller Cam .900”
10710040PF Bare Head, (Angle Plug Head) --- 62220010 End Rail Spacers - For 9.800” Deck Blocks
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