a-team performance 12-835 two-valve mechanical fuel pump 1/4-inch inlet outlet npt compatible with gmc chevrolet bbc big block chevy gmc v8 396 402 454 engine chrome a-team performance a-team performance 12-835 big block compatible with chevy gmc v8 396 402 454 mechanical fuel pump <br> <br> a-team's high-performance two-valve mechanical fuel pumps are constructed of heavy duty materials for consistent performance and reliability. their lower body has been designed to rotate to meet your compatibility requirements, and their aluminum housing is given a premium chrome finish. <br> <br> specifications <br> free flow 80 gph <br> pressure 6 psi <br> housing material aluminum <br> inlet attachment female <br> inlet size 1/4" npt <br> outlet attachment female<br> outlet size 1/4" npt <br> gaskets included <br> <br>