Peterson Fluid Systems Water Neck Riser Block - Aluminum w/ (2) -08 AN Ports Driving Suit Jacket GM Fullsize Truck 1999-2018

GM Fullsize Truck 1999-2018

Non-rotator style: Dyno tested and street proven

Strong torque thru low and mid-range

Fits all models including AWD and RWD applications(accommodates subwoofer behind rear wheel well via trimming)

Rev Limiter

Peterson Fluid Systems Water Neck Riser Block - Aluminum w/ (2) -08 AN Ports Driving Suit Jacket GM Fullsize Truck 1999-2018Machined from Billet aluminum, these riser blocks have o ringed flanges and accomodate a thermostat. Available with 6AN, 8 AN, or 12AN ports for cylinder head water lines. 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