Peterson Fluid Systems HTD Oil Pump Pulley - 34 Tooth - 5/8" Bore - 3/16" Keyway - 1.020" Wide 23-TR1-N-4XS 3/8-24 in Inverted Flare Straight

3/8-24 in Inverted Flare Straight Inlet

1-1/4-12 in O-Ring Outlet

Weld to headers to hold slip-on collectors in place or use to retain primary tubes on adjustable headers

Ball and Socket Collector

Interior Damping

Peterson Fluid Systems HTD Oil Pump Pulley - 34 Tooth - 5/8" Bore - 3/16" Keyway - 1.020" Wide 23-TR1-N-4XS 3/8-24 in Inverted Flare StraightHTD (High Torque Drive) pulleys are CNC machined from billet aircraft aluminum and hard coat anodized for durability. Pulleys are 8mm pitch. Peterson Fluid Systems is the choice of champions for wet and dry sump oiling systems. Peterson Fluid Systems offers a complete system from their class leading oil pumps to their championship winning oil tanks, oil and fuel filters, and accessory drives. Peterson Fluid System products have been proven in NASCAR,