Thumpr Hydraulic Roller Camshaft - 299THR7 (Carburetted)
Suit SB Chev 1987-98 With O.E Hydraulic Roller

Street/strip, Needs 9.5:1 compression, 2800+ stall, intake, gears & headers, Very rough idle

• Rpm operating range 2500 - 6200
• Duration advertised Inlet 299°, Exh 319°
• Duration advertised @.050" Inlet 243°, Exh 257°
• Valve lift with 1.5 rocker Inlet .533", Exh .519"
• Lobe separation angle 107°