STM Silicone Elbow Couplers (45° Straight Leg) Tilton 1/8" NPT to -4AN adapter

1/8" NPT to -4AN adapter & 1/8" NPT to 3/16" barb adapter

• For intake valves only

• Blue Anodized Titanium socket head cap screws

A nickel coating on the housing also prevents the spark plug from premature deterioration

Ceramic Disc 240mm Race use only

STM Silicone Elbow Couplers (45° Straight Leg) Tilton 1/8" NPT to -4AN adapterWe have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our name on these if they were nothing less than the best! Couplers are black outside and orange inside with the STM logo. Available in I. D. sizes from 1" to 4". Sold individually. Price is for one coupler. Please Note: Leg diameter is measured from the center of the elbow, so you will have 8" to 10" of