Billet Specialties 10720 Alternator Bracket - Manual

For use with:
• Chevy small block – Vortec heads
• Short water pump
• GM 60 to 80 amp alternator
1. Use Loctite® removable threadlocker 242 (blue) on all fasteners.
2. Bolt alternator back bracket [A] to alternator front bracket [B]
using bolt [D] ¼-20 x 1-1/4” SHCS. Tighten. (May be preassembled).
3. Bolt alternator bracket [A-B] to drivers side head using bolt [E] 3/8-
16 x 1” SHCS and bolt [G] 3/8-16 x 2-1/4” SHCS. Tighten.
4. Install stainless load washer [K] into counterbore on inside of
bracket [B].
5. Bolt alternator adjustment arm [C] to backside of alternator top
boss using bolt [I] 5/16-18 x 1” BHCS and stainless flat washer [J]. Be
sure and hook adjustment arm under alternator lower pivot boss.
Tighten.
6. Bolt alternator with adjustment arm to bracket [A-B] using bolt [H]
3/8-16 x 2-3/4” SHCS. Do not fully tighten.
7. Install bolt [F] 3/8-16 x 1-1/4” SHCS into bracket [A-B]. Do not fully
tighten.
8. Install alternator belt on rear groove when using 2-groove pulleys.
Goodyear: #15495 Gates: #7490XL Belt: 7/16” x 49”
9. Apply tension on alternator belt and tighten bolts [F] 3/8-16 x 1-1/4”
SHCS and [H] 3/8-16 x 2-3/4” SHCS.
#10720 Alternator Bracket Mount Instructions
Top Mount - Driver Side
BILL OF MATERIALS
ITEM QTY. DESCRIPTION SIZE
A 1 Alternator Back Bracket
B 1 Alternator Front Bracket
C 1 Alternator Adjustment Arm
D 1 1/4”-20 Socket Head Cap Screw 1-1/4”
E 1 3/8”-16 Socket Head Cap Screw 1”
F 1 3/8”-16 Socket Head Cap Screw 1-1/4”
G 1 3/8”-16 Socket Head Cap Screw 2-1/4”
H 1 3/8”-16 Socket Head Cap Screw 2-3/4”
I 1 5/16”-18 Button Head Cap Screw 1”
J 1 Stainless Flat Washer 9/16” x .060”
K 1 Stainless Load Washer 3/4” x 3/16”
Billet Specialties • 500 Shawmut Avenue • La Grange, Illinois 60526• Tech 708-588-0505 • Fax 708-588-7181
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J
C
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G
K
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