John Deere Unstyled B

 

 

New 4.375” Forged Aluminum Pistons

Includes New Pins, Rings, and Pin Bushings

Increased HP over stock

 

Part # USB438P

Price = $550

 

 

John Deere Styled B Pulling Parts

 

 

 

 

 

JD B Overbore kits for mild pulling tractors (Stock Appearing Classes)

 — 4.75” Pistons for Late and Mid JD B’s with stock
     block — Pistons/pins/rings
= $425

 — 4.875” Pistons for Late JD B’s with stock block
    Pistons/pins/rings
= $425

 — 5.125” Pistons for Powerblocks* — Pistons/
     pins/rings=
$500

 — Lengthen Con Rods (To set Compression) = $300

 

 

 

 

*** Stage 1— Stock Appearing Tractors ***

High Compression Oversized Pistons

Increased HP due to increased compression and lightweight, low friction pistons.

* Some clubs do not allow Powerblocks in Stock Class.  

*** Stage 2— Stock Appearing Tractors ***

High Compression Oversized Pistons, Stroker Crankshaft, Connecting Rods and Performance Camshaft

Up to 7.5” Stroke without going thru the Transmission Case — 280 Cubic Inches

— 4.875” Bore x 7.5” Stroke Kit shown

   — Camshaft (Clearanced and Ground)

   — Crankshaft

   — Welded Connecting Rods

   — Forged Pistons

   — New Pins

   — Rings

 

— 4.75” & 4.875” Bore Kits = $2300

— 5.125” Bore Kits = $2400

— Add $600 for Billet Rods

 

*** Stage 3— Enhanced (Division III) Tractors ***

New 5.75” Extreme Block with Pistons/Pins/Rings, Stroker Crankshaft, Cro-Moly Push Rods, Weleded Connecting Rods and Performance Camshaft — 400+ Cubic Inches

— 5.75” JD B Extreme Block.   Specify Tractor model year.  Specify JD B or JD 50 Cylinder head pattern.  Crankcase modifications required for sleeves to clear. 

— Heisler Head and DLTX 71 or 72 Carb recommended for optimal  performance.

— 5.75” Extreme Block with Pistons/Pins/Rings = $3500
— 5.75” Extreme Block w/Stroker Kit = $5400
   
— Add $600 for Billet Rods


Part Number:  EB575B

John Deere A Pulling Parts

 

 

 

 

 

Also available

— PowerBlock Sleeves

— PowerBlock Resleeving
— Roller Rockers
— NEW Cylinder Heads (Coming Soon)
— Complete Engine Builds
— Block Boring
— Head Work

*** Stage 1— Stock Appearing Tractors ***

High Compression Oversized Pistons Increased HP due to increased compression and lightweight, low friction pistons.

JD A Overbore kits for mild pulling tractors (Stock Appearing Classes)

 — 5.75” Pistons for Styled JD A’s with stock block and either a 9” Crank or a New Extreme Flat Head     Pistons/pins/rings = $600

*** Stage 4— Bigger Engines Available up to 6.125” Bore ***

Not for the Faint of Heart.  Call or E-mail for more details.

*** Stage 1A— Stock Appearing Tractors ***

Bolt on HP with the New Extreme Tractor Parts Cylinder Head for the Styled JD A

After nearly 3 years development, the new cylinder heads are here.  Cylinder heads are shipped fully assembled, ready to install on your tractor.  New Valves, Springs, Keepers, Retainers, all included.  Just pull it out of the box and install it on your tractor. 

 

Did we mention that it looks like a John Deere head on the outside?  Install it on your parade or farm tractor to give it a 10-15HP boost.

 

HP increase on pulling tractors varies with engine combinations.

 

Complete Cylinder Head = $1800

 

 

*** Stage 2— Stock Appearing Stroker Tractors ***

High Compression Oversized Pistons, Stroker Crankshaft, Connecting Rods and Performance Camshaft.  That’s 467 Cubic Inches with a 9” Crankshaft and it’s Stock Appearing

Stroker Kit for Styled JD A with 5.75” Pistons = $2700

 

Stroker Kit for JD Unstyled A with 5.75” Pistons = $2900

 

Stroker Kit for all JD A With 6.125” Pistons for Power Block = $2700

More JD A Goodies to come

Welcome to the John Deere Performance Page.

If you don’t see your model or part, just ask, we can likely custom make it for you.

The following services are available for all 2 Cyl

· Cam Grinding

· Block Boring/Surfacing

· Complete Head Reconditioning

·         Larger Valves available

·         Valves (please call or e-mail for prices)

· Crankshaft Grinding/Stroking

· Pistons

 

— 5.75” Pistons for all Unstyled JD A’s and Stock Stroke Styled A using Cyclone Head and Stock Block — Pistons/pins/rings = $800

 

— Lengthen Con Rods (To set Compression) = $300