CummiNs® - Interstate McBee

B Series 2-Valve
Cylinder head components
Qty
Part #
4B 6B Description
Note
M-3931623 8 12 Tappet
M-3284377 8 12 Push Rod
M-3920779 4 6 Cylinder Head Bolt M12x1.75x70
M-3920780 10 14 Cylinder Head Bolt M12x1.75x120
M-3920781 4 6 Cylinder Head Bolt M12x1.75x180
M-3008468 5 5 Pipe Plug 1/2 NPT
M-3008469 1 Pipe Plug 3/4 NPT
M-3906619 2 2 Pipe Plug 1/8 NPT
M-3902073 3 5 Expansion Plug
Premium Marine & High Heat applications
M-3802355 4 6 Valve Kit - Intake
M-3802481 4 6 Intake Seat
M-3802481 4 6 Valve Kit - Exhaust
M-3925176 4 6 Exhaust Seat
M-3900250 16 24 Valve Lock
M-3906206 8 12 Salvage Valve Guide - Both Thin wall .440" OD
M-3904408 4 6 Salvage Valve Guide - Intake Thick wall .553" OD
M-3904409 4 6 Salvage Valve Guide - Exhaust Thick wall .553" OD
M-3926700 4 6 Valve Spring - Intake
M-3925667 4 6 Valve Spring - Exhaust
M-3900299 4 6 Spring Retainer - Intake Prior to April 2003
M-3957913 4 6 Spring Retainer - Intake April 2003 & up with "tophat" seals
M-3957914 4 6 Valve Rotator - Exhaust April 2003 & up with "tophat" seals
M-3921640 8 12 Valve Stem Seal Prior to April 2003
M-3957912 8 12 Valve Stem Seal April 2003 & up with "tophat" seals
M-3910811 4 6 Rocker Lever Intake
M-3910810 4 6 Rocker Lever Exhaust
M-S205 8 12 Adjuster Nut
M-3900706 8 12 Adjuster Screw
M-3900242 8 12 Rocker Lever Retainer
M-3911423 4 6 Rocker Lever Support
M-3901221 4 6 Rocker Lever Support Bolt
M-3931623 8 12 Tappet
M-3284377 8 12 Push Rod
M-3920779 4 6 Cylinder Head Bolt M12x1.75x70
M-3920780 10 14 Cylinder Head Bolt M12x1.75x120
M-3920781 4 6 Cylinder Head Bolt M12x1.75x180
M-3008468 5 5 Pipe Plug 1/2 NPT
M-3008469 1 Pipe Plug 3/4 NPT
M-3906619 2 2 Pipe Plug 1/8 NPT
M-3902073 3 5 Expansion Plug
17
All manufacturer’s names, numbers, symbols and descriptions are used for reference only and do not imply that any part listed is the product of these manufacturers.