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Connecting Rod pictured included in 9.5 inch Stroke Rotating Assembly

John Deere “G” blocks:

  • 7.000” and 7.500” bore sizes available.  12.500” overall length.

    • NOTES! Crankcase modification required for installation!!!!

  • JD-G 7.000” bore block (Includes:  pistons, pins and piston rings)            $4,500.00

  • JD-G 7.500” bore block (Includes:  pistons, pins and piston rings)            $4,400.00

Cylinder Sleeve notch for Cam Gear


 

G Head (Manifold Side)crop.jpg (164946 bytes)

G Head (Top View)(2)crop.jpg (342479 bytes)

G Head (SN Closeup).JPG (544956 bytes)

G Head (Valve Closeup).JPG (724604 bytes)

John Deere “G” head:

  • Valve sizes:  Intake 2.850” Exhaust 2.650”
  • 5” thickness, same as F485R unstyled head.
    • NOTES! Requires shorter head studs and pushrods when using in styled tractors (when replacing cyclone style head)
  • JD-G Head, with valves (DOES NOT include: valve locks, valve springs or spring retainers)              $1,650.00

*NEW* Stock Replacement John Deere "G" Valve Springs *NEW*

$50.00 a set

 


 

 

G Manifold (Front View)crop.jpg (224478 bytes)

John Deere “G” Manifolds:

  • Three styles available: 
    • Large runner to fit Murphy’s heads
    • Small runner to fit John Deere heads. 
    • Duplex manifolds to use two-barrel carburetors from JD 50-730 tractors.
  • JD-G Manifold-Large    (To fit Murphy’s Head)   $250.00
  • JD-G Manifold-Small     (To fit John Deere head) $250.00
  • JD-G Manifold-Duplex                                         $500.00

Duplex (Front View)crop.jpg (218057 bytes)


 

NOW AVAILABLE

Styled A Manifolds

 

“Styled A” Parts (Fit tractors SN: 488000 and UP, unless noted):

  • #1 6.500” bore block, fits SN: 410000-583999 (Includes:  pistons, pins and piston rings)(Will fit in unstyled tractors, but must use styled head)                            $4,400.00
  • #2 6.500” bore block, fits SN: 584000-647999 (Includes:  pistons, pins and piston rings)    $4,400.00
  • #3 6.500 block, fits SN: 648000 and up (Includes:  pistons, pins and piston rings)                  $4,400.0
  • JD-Styled A Head, with valves (DOES NOT include valve locks, valve springs or spring retainers) $1,650.00
  • JD-SA Manifold-Large (To fit Murphy’s Head)  $250.00
  • JD-SA Manifold-Small (To fit John Deere head) $250.00
  • JD-SA Manifold-Duplex                                     $500.00

 

Unstyled A coming summer 2007

“Unstyled A” Parts (Fit tractors SN: 410000 to 487999, unless noted)

  • #1 6.500” bore block, fits SN: 410000-583999 (Includes:  pistons, pins and piston rings)(MUST USE STYLED HEAD!!)                                  $4,400.00

  • JD-Unstyled A Head, with valves (DOES NOT include: valve locks, valve springs or spring retainers)$1,650.00

JD-USA Manifold                               $250.00


JOHN DEERE PONY RODS

Click Here to see Pony Rods


 

MURPHY'S MOTOR SERVICE

311 B Hwy 00

Hallsville, MO 65255

 

Call: 573-696-3655

 

E-mail: jeff@murphysmotorservice.com