Page 96 - 2018 Master Catalog

MINI SPOOL
Mini-spools differ from spools in that
they achieve differential lockup by
replacing the side and spider gears.
FULL SIZE SPOOL Each is machined from chromemoly
forgings and heat treated for maximum
Machined from chromemoly steel forg- strength. 9” Ford installations should
ings, spools provide a more rigid ring include our high strength cross pin.
gear mount and offer more strength than
PART NO.
mini-spools. All spools are CNC machined GM DESCRIPTION
with lightening holes. Lightweight 31075 GM 7.5”, 26-Spline
versions have been further machined to 31082 GM 8.2” 10-Bolt
nearly the weight of aluminum , yet retain 31085 GM 8.5”, 10-Bolt, 28-Spline
the strength of steel. Heat treated for 31088 GM 12-Bolt, 8.875”
maximum strength. FORD
31828 Ford 8.8”, 28-Spline
PART NO. DESCRIPTION 31928 Ford 9”, 28-Spline
GM 31931 Ford 9”, 31-Spline
32830 GM 12-Bolt, 30-Spline
FORD
32831 Ford 8.8”, 31-Spline
32928 Ford 9”, 28-Spline
32931 Ford 9”, 31-Spline, 7.95lbs
32935 Ford 9” 35-Spline
CROSS PIN
Every new Ford 9” spool or mini-spool
installation should include our high
strength cross pin.
PART NO. DESCRIPTION
FORD
SFI APPROVED 31900 Ford 9” Cross Pin
FLEXPLATES

Exceeds spec 29.1.

EW SFI EW PRO SFI TYPE STYLE TEETH BALANCE
CHEVY
350168 850168 SBC, 57-85 2-Piece 168 Internal
350168I --- SBC, 86-Up 1-Piece 168 Internal
350153I --- SBC 2-Piece 153 Internal
350168L --- SBC Late Model, 86-97 1-Piece 168 External
350153E --- SBC Late Model 1-Piece 153 External
--- --- SBC Late Model 1-Piece 168 Internal
400168 --- SBC 383-400, 70-76 2-Piece 168 External
454168E 854168E BBC 454, 70-90 2-Piece 168 External
--- 854168L BBC 454 Late Model, 91-Up 1-Piece 168 External
FORD
--- 889164 SBF 289 / 302 / 351W --- 164 Internal
302164 802164 SBF 289-351W --- 164 28 oz
302164L 802164L SBF 302 Late Model, 82-95 --- 164 50 oz
302157 --- SBF 289-351W --- 157 28 oz
302157L --- SBF 82-95 --- 157 50 oz, External
460164I --- BBF 460, 73-93 --- 164 Internal
460164E --- BBF 460, 73-93 --- 164 External
PONTIAC
455166 --- Pontiac 455, V8 65-78 2-Piece 166 External
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