Engine Model

Min/Max Intake--Exhaust (in inches)

TH engines (Triad) .000/.002--.003/.005
All CV and CH engines These engines have hydraulic lifters and no adjustment is necessary.
M8-M16 .008/.010--.017/.019 [M8 .006/.008 Intake]
M18-20 .003/.006--.016/.019 [.011/.014-S/N greater than 1816500656]
Ageis Twins LV560-675 Hydraulic Lifters, no adjustment necessary
SV400-670 .003/.005 Both
SV710-740 .004/.006 Both
K91 .005/.009--.011/.015
K161 & K141 .006/.008--.017/.019
K181 .006/.008--.017/.019
K241 .008/.010--.017/.019
K301 .008/.010--.017/.019
K321 .008/.010--.017-.019
K341 .008/.010--.017/.019
MV16-20 .003/.006 Exhaust clearance depends on S/N. Before S/N 1816500656 .016/.019 From S/N18165000646 To S/N 1917809296 .011/.014 S/N 1917809286 and up .013/.016
K482-582 .008/.010--.017/.020
K662 .006/.008--.015/.017
K361 OHV .005 Both

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