Billet Specialties 11420 User Manual
#11420 Alternator Bracket Mounting Instructions
Side Mount - Driver Side
K
X
B
A
I
F
G
E
H
For use with:
• Chevy small block
• Long water pump
• GM 60 to 80 amp alternator
1. Use Loctite® removable threadlocker 242 (blue) on all fasteners.
2. Bolt alternator bracket [A] to drivers side head using bolt [E] 3/8-16
x 4” SHCS, [F] 3/8-16 x 1-1/4” SHCS, and [G] 3/8-16 x 1-1/4” SHCS.
Tighten
3. Bolt alternator to bracket [A] using bolt [H] 3/8-16 x 3” SHCS. Be sure
to position alternator pivot bracket [C] between back of alternator
and rear ear of alternator bracket (shim if necessary*). Do not fully
tighten.
4. Bolt pivot bracket threaded [D] to alternator pivot bracket [C] using
bolt [I] ¼-20 x ¾” FHCS. Tighten.
5. Bolt alternator adjustment arm [B] to alternator using bolt [K] 5/16-18
x 1” BHCS and to threaded bushing using bolt [J] ¼-20 x ¾” FHCS.
Tighten.
6. Bolt alternator adjustment arm [B] to lower ear on bracket [A] using
bolt [L] 3/8-16 x 1-1/4” SHCS and load washer [W]. Do not fully tighten.
7. Install alternator belt on rear groove when using 2-groove pulleys.
8. Put tension on alternator belt and tighten bolts [H] 3/8-16 x 3” SHCS
and [L] 3/8-16 x 1-1/4” SHCS.
* Shims are provided to shim alternator to bracket for a tight t. Alternator
mounting boss may vary due to polishing or plating.
Billet Specialties • 500 Shawmut Avenue • La Grange, Illinois 60526• Tech 708-588-0505 • Fax 708-588-7181
C
J
W
L
D
BILL OF MATERIALS
ITEM QTY. DESCRIPTION SIZE
A 1 Alternator Main Bracket
B 1 Alternator Adjustment Arm
C 1 Alternator Pivot Bracket
D 1
E 1 3/8”-16 Socket Head Cap Screw 4”
F 1 3/8”-16 Socket Head Cap Screw 1-1/4”
G 1 3/8”-16 Socket Head Cap Screw 1-1/4”
H 1 3/8”-16 Socket Head Cap Screw 3”
I 1 1/4”-20 Flat Head Cap Screw 3/4”
J 1 1/4”-20 Flat Head Cap Screw 3/4”
K 1 5/16”-18 Button Head Cap Screw 1”
L 1 3/8”-16 Socket Head Cap Screw 1-1/4”
W 1 Stainless Load Washer 3/16”
X 2 Stainless Flat Washer .060”
** 2 Stainless Flat Washer (Shims) .032”
** 2 Stainless Flat Washer (Shims) .010”
Adjustment Arm To Pivot Bracket
Threaded Bushing
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