PN: TEA-SBC230-CUSTOM
1962-1986 SBC 4" Bore or Larger
A max effort standard 23 degree head that will work with standard rockers(offsets not required) and will also fit on 4.00" bores. This head is ideally suited to 383"-434" small blocks and features 2.080" and 1.600" valves, 230cc intake runners, 70cc chambers. Choose from .630 lift Hydralic Roller/Mechanical Flat Tapet, or .700 lift Mechanical Roller spring pachages.

STANDARD FEATURES
Cylinder Head Material -- Aluminum
Combustion Chamber Volume (cc) -- 70
Intake Runner Volume (cc) -- 230cc
Exhaust Runner Volume (cc) -- 78cc
Combustion Chamber Style -- Heart
Intake Port Location -- Standard
Exhaust Port Shape -- 'D'
Exhaust Port Location -- Standard
Intake Valves Included -- Yes
Intake Valve Diameter (in) -- 2.080 in.
Exhaust Valves Included -- Yes
Exhaust Valve Diameter (in) -- 1.600 in.
Valve Springs Included -- Yes
Retainers Included -- Yes
Retainer Material -- Titanium
Locks Included -- Yes
Lock Style -- 10 degree
Valve Stem Seals Included -- Yes
Valve Stem Seal Style -- Viton® fluoroelastomer
Rocker Arm Studs Included -- Yes
Rocker Arm Nut Thread Size -- 7/16-20 in.
Guideplates Included -- Yes
Guideplate Pushrod Size -- 5/16 in.
Intake Valve Angle -- 23
Exhaust Valve Angle -- 23
Valve Guides Included -- Yes
Valve Guide Material -- Manganese bronze
Valve Seat Machine Style -- 3-angle
Valve Seat Material -- Ductile iron
Oiling Style -- Through pushrod
Heat Crossover -- No

FLOW DATA 4.125" BORE

Lift Intake Exhaust 0.100 67 53 0.200 142 117 0.300 221 183 0.400 278 228 0.500 308 243 0.550 312 247 0.600 316 250 0.650 318 251 0.700 320 251

* Tests conducted at 28" of water, radius plate int. 1.875" x 4.0" exh. pipe

Add $149.00 for Mechanical Roller Package.