Ford Mustang Engine Valve Spring Replacement

Not For Use With MTF-1 Camshaft

Use With SYB-19 Camshaft Except Police, Cobra Jet, Super Cobra Jet

Use With SYB-24, SYB-30 Camshafts

with 2 Barrel Carburetor; Use With SYB-21 Camshaft

Not For Use With MTF-1 Camshaft Used With Stud Mounted Rocker Arm

Use With SYB-25 Camshaft After L10 Change To L14

Use With SYB-25 Camshaft To L10 Change

Use with Mechanical Lifters Use With 24409 Camshaft Machining May Be Required Single Spring

Use with Mechanical Lifters; Use With 24409 Camshaft Machining May Be Required

Use with Mechanical Lifters; Use With 24401 Camshaft Machining May Be Required

Use with Mechanical Lifters Use With 24401 Camshaft Machining May Be Required

Use With SYB-25 Camshaft

Use with Hydraulic Lifters; Use With 24203, 24210, 24212, 24301 Camshafts Assemble Height 1.800 Inch Machining May Be Required

Use with Hydraulic Lifters Use With 24203, 24210, 24212, 24301 Camshafts Assemble Height 1.800 Inch Machining May Be Required

Not For Use With MTF-1 Camshaft High Output Engine

Use With MTF-1, MTF-5 Camshafts

Not For Use With MTF-1 Camshaft High Output Engine

Use With 24225, MTF-5 Camshafts Machining May Be Required

Use With 24225, MTF-5 Camshafts Machining May Be Required

Use with Hydraulic Lifters Use With 24205, 24302 Camshafts Machining May Be Required

Use with Hydraulic Lifters; Use With 24205, 24302 Camshafts Machining May Be Required

1.820in Installed Height; Use With MTF-5 Camshaft

OD 1.207 in./ID Small End .650 in.; Installed Height 145 lbs @ 1.8 in.; Open Valve 358 lbs @1.175 lbs; Spring Rate 340; Max Coil Bind 1.100 in.