BL54XR Ball Bearing Turbo FlashPro Delta P is short for

Delta P is short for delta pressure

Fiberglass stranded core

Synchrotech® Hardened Sleeve

EP3 and Civic Si transmissions

BL54XR Ball Bearing Turbo FlashPro Delta P is short forBoost Lab BL54XR Dual Ball Bearing Turbocharger This turbo features a newly designed Point Milled Billet 54mm compressor wheel and a performance high flow 49mm Turbine Wheel. This unit comes standard with a ported 3" Inlet 2" V Band Outlet compressor housing. A Dual Ball Bearing oil and water cooled CHRA designed to handle high boost operation with ease, water cooling must be used with this turbocharger. The BL54XR is fully assembled and VSR balanced