Pro Magnum Hydraulic Flat Lifter Set for Oldsmobile 260-455 and Pontiac 326-455. 1999 pontiac firebird DYAD XDS clutches are match

DYAD XDS clutches are match balanced and ready for installation using the included ARP fasteners

Edelbrock part #7561 RPM Air-Gap 2-O intake manifold is designed for street 396-502 c

W/O Parking Sensors: PR3Z-17F828-CA

with little to no interior resonance in the cab

the BMR Sway Bar Mounting Bracket (SMK340) reduces flex and ensures maximum strength for long lasting performance

Pro Magnum Hydraulic Flat Lifter Set for Oldsmobile 260-455 and Pontiac 326-455. 1999 pontiac firebird DYAD XDS clutches are matchThese Pro Magnum hydraulic lifters are designed to perform at high RPM without any harmful pumping up. These lifters for Oldsmobile 260 455 and Pontiac 326 455 yield significant power increase over standard hydraulic lifters.