Now that you have the PROFORM Valve Spring Tester you'll need a set of PROFORM Air Hold Adapters to remove your springs with the heads on the engine. It's a simple 3-step process: screw the air hold adapter into your spark plug hole, attach air fitting, and then an air hose. The air pressure will hold up your valves while you get to work!

Features:
Includes 14mm and 18mm Sizes with 1/4 NPT Female Thread
  • for Use In Spark Plug Holes
  • Black Finish
  • Includes 14mm and 18mm Sizes with 1/4 NPT Female Thread
  • PROFORM Parts Brand Product
  • Sold as One Set
  • More From This Category

    Snow Performance Quick Disconnect Fittings, 1/4 in. Female Quick Connect to 3/8 in. NPT Male, Each

    Snow Performance Quick Disconnect Fittings, 1/4 in. Female Quick Connect to 3/8 in. NPT Male, Each

    $30.28

    Sonnax Shaft, Output 1.69/1.80 Extrem, Powerglide, 32T Short

    Sonnax Shaft, Output 1.69/1.80 Extrem, Powerglide, 32T Short

    $1,053.15

    DBA Front 5000 Series HD Brake Ring, 282mm, For Lotus Elise S1 NAS Nuts Included, Kit

    DBA Front 5000 Series HD Brake Ring, 282mm, For Lotus Elise S1 NAS Nuts Included, Kit

    $395.00

    MANLEY Connecting Rod, H-Beam, 6.2 in. Length, For Chrysler HEMI, w/ ARP2000 Set of 6

    MANLEY Connecting Rod, H-Beam, 6.2 in. Length, For Chrysler HEMI, w/ ARP2000 Set of 6

    $1,763.49

    MANLEY Piston Ring, 85mm Bore Size, 1.2 x 1.2 x 2.8mm Width, Each

    MANLEY Piston Ring, 85mm Bore Size, 1.2 x 1.2 x 2.8mm Width, Each

    $80.99