Features: 1.[Part Number] The replacing part numbers for reference is 10299146, 33737, GF82219, 239926. 2.[Stable Performance] Popular for simplifying the fuel system, designed to replacement for Corvette C5, replacement for LS swaps, replacement for EFI system. 3.[Pressure 58PSI] This fuel filter features an internal bypass, designed to operate on 58PSI of static supply pressure. 4.[Size] The filter features a 3/8in male inlet, 5/16in male return outlet, and a 3/8in female supply outlet. 5.[Easy To Use] When mounted near the fuel tank this filter allows you to run a single fuel feed line to the engine and just a short return loop back to the tank. 6.[Widely Use] Commonly used when adapting return style fuel systems for use with returnless applications. Specification: Item Type: Fuel Pressure Regulator Filter Material: Iron Part Number: 10299146, 33737, GF82219, 239926 Pressure: 58PSI Inlet Size: 3/8in male quick connect Return Size: 5/16in male quick connect Feed Size (To Engine): 3/8in female quick connection Support: 550-600HP Fitment: Replacement for GM Gen III Replacement for Gen IV V8 engines in 4.8, 5.3, 6.0 and 6.2 Replacement for LS1, LS2, LS3, L76, L98, L77, LY6, LFA, LZ1, LY2, L20, LH6, LS4, LSX, etc. Replacement for LSX swap Replacement for LT1 DGI Replacement for Corvette C5 Note: 1. The for C5 Filter/Regulator is capable of flowing a maximum of 255LPH. Beyond that amount, there is the potential for fuel pressure creep as the flow rate can overwhelm the internal regulator. 2. Please double check the part number of your item, matching information is for reference only. 3. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!