New FXR Series Flat Tappet Cams fit 1955-1998 262-400 cid small block chevys with stock .842 in lifters.

355-406 Late Model Sportsman. 1/2-5/8 mile, 12-1+, 4bbl with good intake. Camshaft profiles are designed to have more area under the curve and have a fast opening rate while remaining valve train friendly. Higher rocker ratio may be used 1.6 ratio = .600 in gross lift

• RPM Range 3500-7400
• Advertised Duration 302 / 310 deg int/exh
• Duration @ .050 lift 264 / 272 deg int/exh
• Gross Lift .562 in int/exh
• Lobe Center 106 deg
• Advance 4 deg
• Valve Lash .018 / .018
• Use #3400 for dual spring, 1.440 OD, 1.800 install ht
• Use #E915043 for dual spring, 1.580 OD, 1.950 install ht
• 4-7 Swap also available. SEE LISTINGS

For Lifters and Camshaft Kits see below.