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Cylinder Head Casting Numbers for Big Block Mopar

Casting
Number 

Year 

ValveSizes 

HP 

Chamber 

Notes 

2206324  61-62  2.08/1.6     Closed  361-383-413 
2402286  62  2.08/1.88     Closed  413 Max 
2406516  64-67  2.08/1.6     Closed  361-383 
2406518  64  2.08/1.88     Closed  426 Max 
2463200  63  2.08/1.6     Closed  361-383-413 
2463209  63  2.08/1.88     Closed  426 Max 
2780915  67  2.08/1.74     Closed  440 HP 
2843906  68-70  2.08/1.74     Open  383-440 
2899943  71-77           361, 413 (Truck)" 
3462346  71-72  2.08/1.74     Open  383-400-440 
3462346  73  2.08/1.74     Open  400-440 
3751213  73  2.08/1.74     Open  400-440 (Motorhome) 
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