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National Drivetrain

Full and Mini Spools

We offer a selection of Full & Mini Spools. A spool permanantly locks a rear differential for maximum traction all the time. Spools are more light weight and less expensive than a Locker. Spools are generally used in drag racing and in off road applications.

Spools come in all steel and in some types they are available in lighter weight alloys or aluminium. If you do not see what you are looking for, please contact us toll free at 800-507-4327 or e-mail us at info@nationaldrivetrian.com.

   
FULL SPOOL DANA 44 30 SPL
$149.95
FSD44-30
Full Spool Dana 44 30 fits 3.92 and numerically higher gears.
 

   
FULL SPOOL DANA 60 4.56 & NUM. HIGHER 35 SPL
$250.00
544821
FULL SPOOL DANA 60 4.56 & NUM. HIGHER 35 SPL
 

   
FULL SPOOL FORD 9 IN 28 SPL STEEL
$120.00
FS9-28
FULL SPOOL 9" 28 SPLINE STEEL
 

   
FULL SPOOL FORD 9 IN 33 SPL STEEL -3.06 HOUSING ONLY
$225.00
FS9-33
FULL SPOOL FORD 9 IN 33 SPL STEEL -3.06 HOUSING ONLY
 

   
FULL SPOOL FORD 9 IN 35 SPL STEEL -3.25 HOUSING ONLY
$149.00
FS9-35
FULL SPOOL FORD 9 IN 35 SPL STEEL -3.25 HOUSING ONLY
 

   
FULL SPOOL FORD 9 IN. 31 SPL. STEEL -3.06 HSG
$120.00
FS9-31
FULL SPOOL 9" 31 SPLINE STEEL-3.06 HOUSING ONLY
 

   
FULL SPOOL FORD 9 IN. 40 SPL STEEL -3.25 HOUSING ONLY
$265.00
FS9-40
FULL SPOOL FORD 9 IN 40 SPL STEEL -3.25 HOUSING ONLY
 

   
FULL SPOOL FORD 9IN 28 SPL. LIGHTWEIGHT STEEL 7.5 LBS
$130.00
FS9-28LW
FULL SPOOL FORD 9IN 28 SPL. LIGHTWEIGHT STEEL 7.5 LBS
 

   
FULL SPOOL FORD 9IN 31 SPL. LIGHTWEIGHT STEEL 6.5 LBS
$130.00
FS9-31LW
FULL SPOOL FORD 9IN 31 SPL. LIGHTWEIGHT STEEL 6.5 LBS
 

   
FULL SPOOL GM 8.5 28 SPLINE STEEL
$159.00
FS10-28
FULL SPOOL GM 8.5 28 SPLINE STEEL
 

   
FULL SPOOL GM 8.5 30 SPLINE STEEL
$159.00
FS10-30
FULL SPOOL GM 8.5 30 SPLINE STEEL
 

   
GM FULL SPOOL GM 12 BOLT 30 SPLINE STEEL CAR ONLY
$210.00
FS12-30
FULL SPOOL GM 12 BOLT 30 SPLINE STEEL CAR ONLY
 

   
MINI S POOL FORD 9 IN 28 SPL. STEEL -4 PINION
$60.00
FS9-28-4
MINI SPOOL FORD 9 IN 28 SPL STEEL-4 PINION
 

   
MINI SPOOL FORD 8.8 28 SPL. STEEL
$135.00
ms88-28
MINI SPOOL FORD 8.8 28 SPL. STEEL
 

   
MINI SPOOL FORD 8.8 31 SPL. STEEL
$135.00
MS88-31
MINI SPOOL FORD 8.8 31 SPL STEEL
 

   
MINI SPOOL FORD 9 IN 28 SPL ALUMINUM
$75.00
MS9-28A
MINI SPOOL FORD 9 IN 28 SPL ALUMINUM
 

   
MINI SPOOL FORD 9 IN 31 SPL ALUMINUM
$75.00
MS9-31A
MINI SPOOL FORD 9 IN 31 SPL ALUMINUM
 

   
MINI SPOOL FORD 9 IN 31 SPL STEEL
$22.95
MS9-31
MINI SPOOL 9" 31 SPLINE STEEL
 

   
MINI SPOOL FORD 9 IN 31 SPL. STEEL -4 PINION
$60.00
MS9-31-4
MINI SPOOL FORD 9IN 31 SPL. STEEL -4 PINION
 

   
MINI SPOOL FORD 9 IN28 SPL STEEL
$22.95
MS9-28
MINI SPOOL 9" 28 SPLINE STEEL
 

   
MINI SPOOL GM 12 BOLT 8.75 30 SPL STEEL CAR/TRK
$142.50
MS12C
MINI SPOOL GM 12 BOLT 8.75 30 SPL STEEL CAR/TRK
 

   
MINI SPOOL GM 7.5 26 SPL STEEL
$142.50
MS7.5-26
MINI SPOOL FOR GM 7.5" 26 SPL STEEL
 

   
MINI SPOOL GM 8.5 28 SPL STEEL
$142.50
MS10
MINI SPOOL GM 8.5 28 SPL STEEL
 

   
MINI SPOOL GM CHEVY 8.2 28 SPL STEEL
$142.50
MS10C
MINI SPOOL GM CHEVY 8.2 28 SPL STEEL
 

   
Mini Spool Ford 9 Inch 28 Spl. Steel Lightweight
$31.50
MS9-28LW
Mini Spool Ford 9 Inch 28 Spl. Lightweight
 

   
Mini Spool Ford 9 Inch 31 Spl. Steel Lightweight
$30.00
MS9-31LW
Mini Spool Ford 9 Inch 31 Spl. Lightweight
 

 

Differential Master Bearing Installtion Kits

 

Ford 9 Inch Lightweight Ring & Pinions

 

GM 12 Bolt Truck Rear Ring & Pinions

 

GM 8.5 Inch 10 Bolt Rear End Ring & Pinions

 

Motive Gear Performance Ford 9"

 

Ring & Pinion Mini Installation Kits

Parts ordered will be shipped the same day if they are in stock. We will call or e-mail you with any questions or problems. Thank you.

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