AIP Electronics Heavy Duty Stock Series 1st Generation Non-Vented Optispark Electronic Ignition Distributor Compatible Replacement For 1992-1994 Chevy Chevrolet Pontiac 5.7L V8 Oem Fit D92LT-SS SPECIFICATIONS Manufacturer: AIP Electronics 100% New Construction Model: StockSeries Heavy Duty Factory OEM Exterior connection and bolt pattern