Overview
Our HP Performance Alloy Heads deliver exceptional performance in all Chrysler Big Block 383-400-413-426-440ci engines.
Supplied READY TO FIT: valves, valve guides, valve springs, valve retainers and valve collets all fitted.
Cylinder Head Specifications
Cylinder Head Material | A356.0 Aluminum T6 |
Combustion Chamber Volume | 84cc |
Exhaust Runner Volume | 70cc |
Intake Runner Volume | 210cc |
Spark Plug Style | Angle |
Intake Valve Diameter (in) | 2.14 |
Exhaust Valve Diameter (in) | 1.81 |
Valve Material | Stainless Steel |
Valve Tip Hardness | Above 48 HRC |
Spring install height (in) | 1.73 |
Maximum Valve Spring Lift (in) | 0.6 |
Outside Diameter of Outer Spring (in) | 1.55 |
Number of Springs Per Valve | Single |
Lock Style | 7 degree |
Valve Stem Seal Style | Vition seal |
Pushrod diameter | 3/8 |
Valve Angle | 15 degree |
Valve Steam | 11/32 |
Valve Guide Material | Manganese bronze |
Valve Seat Machine Style | Intake 3 angles |
Exhuast 2 angles | |
Valve Seat Material | Power metallurgy |
Valve Seat Max Pressure | 96 HRB (35 HRC if required) |
Oiling Style | Through pushrod |
Exhaust Port Location | Stock |
Flow Chart: CFM @ H2O | ||||||
0.1 | 0.2 | 0.3 | 0.5 | 0.6 | 0.7 | |
2.14 Intake | 80 | 144 | 209 | 279 | 294 | 293 |
1.81 Exhaust | 72 | 126 | 161 | 206 | 219 | 225 |
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Additional Information
SKU | 107.40435 |
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Factory Comparison | Direct Replacement |
Sale Unit | Set |