Sunex 8844 4 Piece Universal Spark Plug Socket Set 3/8" Drive Brand_Innovative Products of America H style couplers are steel

H style couplers are steel

(2) FNPT Plug

Mechanical filter at suction side of pump

Phillips: PH1

Blair's Rotobroach SAE Master Kit allows you to cut more holes

Sunex 8844 4 Piece Universal Spark Plug Socket Set 3/8" Drive Brand_Innovative Products of America H style couplers are steelAll four sized spark plug sockets in one convenient set Fully polished chrome vanadium alloy steel for durability Universal joint design for easy access in confined areas Rubber inserts hold spark plug securely during installation and removal Includes new 9 16" size Convenient blow mold case SET INCLUDES: 8844 9 16 9 16" 8844 5 8 5 8" 8844 3 4 3 4" 8844 13 16 13 16"