John's Industries stocks a full line of ring and pinion gears to fit most popular rear ends. Our Motive gears are CAD designed, CNC machined and computer control heat-treated to ensure you receive the highest quality and best performing gears on the market. We stock three types of ring and pinion gears: Pro Street gears are street/strip gears that are capable of handling most applications. Competition Gears, also known as Pro Gears, are meant for drag strip applications only and should not be used on the street. OEM replacement gears also available.
Ratio Part # List
3.25 J09F325 $185
3.50 J09F350 $165
3.70 J09F370 $165
3.89 J09F389 $165
4.11 J09F411 $165
4.30 J09F430 $165
4.57 J09F457 $165
4.71 J09F471 $175
4.86 J09F486 $175
5.00 J09F500 $175
5.14 J09F514 $175
5.29 J09F529 $175
5.43 J09F543 $175
5.67 J09F567 $175
5.83 J09F583 $185
6.00 J09F600 $185
6.20 J09F620 $185
6.33 J09F633 $185
6.50 J09F650 $185
7.00 J09F700 $250
Ratio Part # List
  3.89** J09F389P $365
  4.11** J09F411P $365
  4.29** J09F429P $365
  4.57** J09F457P $365
  4.86** J09F486P $365
4.86   J09F486PS $255
5.00 J09F500P $255
5.14 J09F514P $255
5.43 J09F543P $255
6.00 J09F600P $255
6.20 J09F620P $255
6.50 J09F650P $255

**35 Spline Pinion
Ratio Part # List
3.55 J88F355 $160
3.73 J88F373 $160
4.10 J88F410 $160
4.30 J88F430 $165
4.56 J88F456 $165
4.88 J88F488 $170
5.13 J88F513 $170
Ratio Part # List
3.73 JD60373 $170
4.10 JD60410 $170
4.30 JD60430 $170
4.56 JD60456 $170
4.88 JD60488 $180
5.13 JD60513 $180
Ratio Part # List
5.13 JD60513P $250
Ratio Part # List
3.55 J875A355 $170
3.91 J875A391 $170
4.10 J875A410 $170
4.30 J875A430 $170
4.56 J875A456 $170
4.86 J875A486 $170
5.13 J875A513 $170
Ratio Part # List
3.55 J875B355 $180
3.91 J875B391 $180
4.10 J875B410 $180
4.30 J875B430 $180
4.56 J875B456 $180
4.86 J875B486 $180
5.13 J875B513 $180
Ratio Part # List
3.08 J12B308 $145
3.42 J12B342 $145
3.55 J12B355 $190
3.73 J12B373 $145
3.73 J12B373-4 $145
3.90 J12B390 $190
4.11 J12B411 $145
4.11 J12B411X $160
4.30 J12B430 $145
4.56 J12B456 $145
4.56 J12B373X $160
4.88 J12B488 $145
5.14 J12B514 $145
5.38 J12B538 $145

"X" in part number is thick gear
Ratio Part # List
4.11 J12B411PR $275
4.33 J12B433PR $275
4.56 J12B456PR $235
4.88 J12B488PR $235
5.14** J12B514PR $235
5.38** J12B538PR $235
5.57** J12B557PR $235
6.00** J12B600PR $235

** Requires modified cross shaft
Ratio Part # List
3.08 J10B85308 $160
3.42 J10B85342 $160
3.73 J10B85373 $160
3.90 J10B85390 $160
4.10 J10B85410 $160
4.56 J10B85456 $160
4.88 J10B85488 $165
5.13 J10B85513 $165
Ratio Part # List
3.73 J10B8373 $150
4.11 J10B8411 $140
4.56 J10B8456 $150
Ratio Part # List
3.42 J10B75342 $160
3.42 J10B75342X $175
3.73 J10B75373 $160
3.73 J10B75373X $175
4.10 J10B75410 $160
4.10 J10B75410X $175
4.56 J10B75456 $160

"X" in part number is thick gear
 
 

The 9" Factory is a Michigan-based Manufacturing facility. We take pride in our company's ability to closely monitor quality, production, and research & development. All 9" Factory housings meet ISO 9001 standards.

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