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                                Info
                    | Description: | Uses roller lifters & floating piston pins. Fits stainless steel ext. manifolds only. |  
                  	|  |  |  
                  	| Make: | GM - CHEVY PASS. |  
                  	| Year: | 1986
                            -
                            1990 |  
                  	| Liters: | 5.0L |  
                  	| Cubic Inch: | 307 |  
                  	| VIN Code: | Y |  
                  	| Engine Type: | V8-OHV, OLDS.  CARB. |  
                  	| Cylinders: | 8 Cyl. Engines and Crankshaft Kits |  
                  	| Our Part Number Complete: | O9946A |  
                  	| Our Part Number Short Block: | O946 |  
                  	| Block Casting Number or Visual ID: | 4790 GM5.0LG, 6509 |  
                  	| Casting Number Location: |  |  
            	Cylinder Head InformationCylinder Head Part Number#:   H15011 Request MoreHead Casting Number or Visual ID#: 	    5844
 
            	Crankshaft Kit InformationKit Part Number#:    20259Request More
                                InfoCrank Casting Number or Visual ID#: 	    230376, 393654, 418882, 556607
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