• Performance lifters recommended but not required
• Will work with factory pushrods on engines with factory stack up, if deck height, cylinders or rocker boxes have been modified from stock then adjustable pushrods are required, see 246-969, 433-980, 433-981
• Increased compression, cylinder head work, performance exhaust and intake/air cleaner required
• RPM range 2,500 – 6,400
• Grind: 594
• Intake: .594 Valve Lift, 19 Open, 56 Close, 255 Duration @ 53″, .190 lift @ TDC, .108.5 Lobe Centerline
• Exhaust : .604 Valve Lift, 64 Open, 16 Close, 260 Duration @ 53″, .167 lift @ TDC, 114 Lobe Centerline








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