Chevy

Chevrolet Camshaft & Lifter Kit--This kit Includes #00904 camshaft, #66000j-16 Lifters -Fits 262, 267, 283, 302, 305, 307, 327, 350 & 400 Saml Block Chevrolet 1957-1998
Performance level 3 - Torque Beast - Low to mid-range torque for daily drivability. 
INT/EXH - Dur @ .050” Lift: 214°/224° RR: 1.5/1.5 Gross Lift: .444”/.467” LSA: 112° RPM: 1800 to 5500 Redline: 6000

Chevrolet Camshaft & Lifter Kit--This kit Includes #00917 camshaft, #66000J-16 Lifters-- Fits 262, 267, 283, 302, 305, 307, 327, 350 & 400 Small Block Chevrolet 1957-1998
Performance level 4 - Ultra Beast - Upper mid-range to top end power. High stall convertor or 4-speed. 
INT/EXH - Dur @ .050” Lift: 234°/244° RR: 1.5/1.5 Gross Lift: .488”/.509” LSA: 112° RPM: 2800 to 6200 Redline: 6500

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400 with Small Base Circle
Performance level 2 - High Lift - Strong mid-range, good throttle response, 2000 stall recommended.
INT/EXH - Dur @ .050” Lift: 217°/225° RR: 1.5/1.5 Gross Lift: .514”/.535” LSA: 110° RPM: 2000 to 5750 Redline: 6250