Hydraulic Roller Profiles

Small Block Chevy size lobes

Adv. .050 Cam  Valve lift   
Dur.Dur.lift1.51.61.7
240 188.285.427.456.484
246192.300.450.480.510
256200.310.465.496.527
260206.333.499.533.566
266210.333.499.533.566
270215.333.499.533.566
280224.350.525.560.595
290230.340.510.544.578
286230.373.560.598.635
288232.353.530.564.600
292236.360.540.576.612
294242.360.540.576.612
304242.367.550.587.624
300248.375.563.600.638

Big Block Chevy size lobes

Cam Valve lift    
Adv. Dur..050 Dur.lift1.51.61.7
284222.340.510.542.578
288226.345.517.552.587
292230.353.520.564.601
296234.358.537.572.610
306236.330.495.528.560
314246.340.510.544.578
308257.382.573.611.650
312265.382.573.611.650

Gen VI factory profiles

Truck205/210.285.485

SB Ford profiles

XxxHO210
XxxE303220
XxxX303226
XxxB30322