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Diff Parts


One of the most important things a racer can do to maintain their car is rebuild their diff and put in new parts.This simple rebuild can make the difference in a winning round. Irrgang Racing Service has a variety of parts that will help you maintain your differential and make your race car run faster and smoother.

Model Product Image Item Name+ Price

IRS207 1/8" Ceramic Diff Balls

1/8" Ceramic Diff Balls

1/8" Silicone Nitride Ceramic Diff Balls (12) (msrp $19.95) These diff balls are engineered for high precision applications. They weigh 60% less...
$17.96

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IRS204 1/8" Diff Balls

1/8" Diff Balls

Bulk Pack (100) 1/8" Diff Balls (msrp $ 7.50) Grade 25 chrome alloy steel diff balls for high speed applications. Packaged in a handy trackside...
$6.75

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IRS206 3/32" Ceramic Diff Balls

3/32" Ceramic Diff Balls

3/32" Silicone Nitride Ceramic Diff Balls (12) (msrp $19.95) These diff balls weigh 60% less and are twice as strong as chrome alloy steel diff...
$17.96

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IRS205 3/32" Diff Balls

3/32" Diff Balls

Bulk Pack (100) 3/32" Diff Balls (msrp $ 7.50) Grade 25 Chrome Alloy Steel designed for high speed applications. Packaged in a handy trackside...
$6.75

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IRS528 Axle Spacer

Axle Spacer

Long Diff Cone/Spacer -  (msr (.375" / 9.52mm)p $ 2.00)
$1.80

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IRS528BL Axle Spacer

Axle Spacer

Long Diff Cone/Spacer - BLUE - (.375" / 9.52mm) (msrp $ 3.50)  
$3.15

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IRS4313 Axle Spacer

Axle Spacer

Axle Spacer  0.100"  long (2.55mm) (msrp $2.50)
$2.25

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IRS4318 Axle Spacer

Axle Spacer

Axle Spacer 0.300" long (7.62mm) (msrp $2.50)
$2.25

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IRS527 Diff Cone / Axle Spacer

Diff Cone / Axle Spacer

Short Diff Cone/Spacer (.250" / 6.36mm) -  (msrp $2.00)
$1.80

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IRS527BK Diff Cone / Axle Spacer

Diff Cone / Axle Spacer

Short Diff Cone/Spacer - BLACK -  (.250" / 6.36mm) (msrp $ 3.50)
$3.15

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New Products For July - Diff Parts


J & D Machine Barry Hill 3711 Moon Bend Rd. Chapel Hill, TN USA 37034 931-364-7673