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502-4 1986-89 4.3L GM Truck 502-4
1986–89 4.3L GM Truck
Two Barrel TBI Model 3210 Throttle Body Injection 670 cfm  
502-6 1987-89  5.7L GM Truck 502-6
1987–89 5.7L GM Truck
Two Barrel TBI Model 3210 Throttle Body Injection 670 cfm  
502-5 1987-89 5.0L GM Truck 502-5
1987–89 5.0L GM Truck
Two Barrel TBI Model 3210 Throttle Body Injection 670 cfm  
502-7 1988-91 4.3L GM Truck 502-7
1988–91 4.3L GM Truck
Two Barrel TBI Model 3210 Throttle Body Injection 670 cfm  
502-9 1990-95 5.7L GM Truck 502-9
1990–95 5.7L GM Truck
Two Barrel TBI Model 3210 Throttle Body Injection 670 cfm  
Direct Replacement




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