Tiger, Phoenix & Streamway stem for 3 3/8" center to center exposed diverters with brass underbodies. Screw in clockwise, unscrew counter-clockwise. Left side (hot). Requires a crescent wrench.
1/8 Galv Coupling Merchant
1/2 Long Hex L Key
3" Lenox Hole Saw
5pk 3/4 Poly PEX-B Elbow