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Vehicle Info NeededPROFORMPART NUMBER: 778-66663
Alternator 10SI Adapter Kit for Lightning-Bolt 100 Amp Mini-Alternator
$3899
Ships on 09/04/2026
Lowest Price GuaranteeAlternator Mounts
- Alternator 10SI Adapter Kit
- Mounts Directly to Lightning-Bolt Alternator
- Converts the Alternator to 10SI Mount for Easy Installation
- Billet Aluminum
- Black Anodized
- Sold as a Kit
This Proform 66663 Alternator 10SI Adapter Kit converts the Lightning-Bolt Alternator into 10SI style for easy removal and replacement. Attach with the included bolt and spacer, and conversion is complete.
Part TypeAlternator Bracket
BrandPROFORM
Package Height3.25
Package Width3.25
Package Length6.75
Weight0.75 PG
Hardware IncludedYes
QuantitySold as a Kit
Mounting Type10SI
Bracket FinishBlack
Bracket MaterialBillet aluminum
Vendor Part Number66663
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
