JOHN DEERE

JD 2 CYLINDER

PERFORMANCE

RODS

BILLET

JOHN DEERE PONY RODS

Click Here to see Pony Rods

Connecting Rod pictured included in 9.5 inch Stroke Rotating Assembly

John Deere “G” blocks:

• 7.000” and 7.500” bore sizes available.  12.560” 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

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 and springs (DOES NOT include: valve locks, or spring retainers)              $1,750.00

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

80#@3.200, 135#@2.700, 155#@2.500, 175#@2.300, CB@1.950

#MF53R - $50.00 a set

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

Fits serial 13000 up (will fit below #'s by shortening guide 1/2")

#MF727R - $50.00 set

John Deere “G” Manifolds:

"G" Manifold has been redesigned for water pipe clearance, October 09.

• 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

Manifolds include 2 gaskets and grade 8 fasteners..

• JD-G Manifold-Large    (To fit Murphy’s Head)   $280.00

• JD-G Manifold-Small     (To fit John Deere head) $280.00

• JD-G Manifold-Duplex                                         $500.00

JOHN DEERE STYLED A PARTS

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

John Deere Styled "A" Blocks:

NOTES! Crankcase modification required for installation!!!!

ALL A blocks are 11.82" overall length

• #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

John Deere Styled "A" Heads:

"New improved design" 

Dyno tested 14-15 HP more than an original "Jerry's" head on a 538ci engine.

6-7 HP more than a ported, big valve Heisler head on the same engine.

• Valve sizes: Intake 2.500"  Exhaust 2.0"

• 5.42" Cylinder head thickness

John Deere Styled "A" Manifolds:

"A" Manifold has been redesigned for water pipe clearance, October 09.

• Fits tractor serial numbers 488000-584000
• Fits tractor serial number 584000 & up by changing
• Exhaust pipe. NOTE mounting flange difference.

Manifolds include 2 gaskets and grade 8 fasteners

• JD-SA Manifold-Large (To fit Murphy’s Head)  $280.00
• JD-SA Manifold-Small (To fit John Deere head) $280.00
• JD-SA Manifold-Duplex                                     $500.00

JOHN DEERE UNSTYLED "A" PARTS

“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) Call for Pricing: 

573-696-3655

Unstyled "A" Manifolds:

"NEW"

Small Port version to match Stock Head

• JD-USA Manifold                               $250.00