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Vehicle Info NeededBILLET SPECIALTIESPART NUMBER: 135-FM2120PC
Serpentine Conversion Kit For Small Block Chevy
$50095
Ships on 09/10/2026
Lowest Price GuaranteeSerpentine Conversion Kits with Mid-Mount Alternator Bracket
- Serpentine Conversion Kit
- For Small Block Chevy
- Use With Long Water Pump
- Mid-Mount Alternator Bracket
- Gates Belt #465-K060405
Designed for use with GM 60 to 80 amp alternators, these Serpentine Conversion Kits incorporate genuine Billet Specialties style, quality, fit, and finish. Brackets and pulleys are machined from billet aluminum. They are available in your choice of polished or black powdercoated finish. The kits are engineered to bolt-on and align correctly right out of the box. Stainless steel hardware and turnbuckles and QA1 high-quality rod ends are included!
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Do your homework. Compare features. Compare pricing. Billet Specialties Serpentine Conversion Kits give you much more quality for less money! | |
| Billet Specialties Serpentine Conversion Kits | Other Brand Bracket Kits |
| Mirror Polished or Black Anodized Finish | Machine Finish |
| Stainless Steel Hardware Included | Zinc Plated Steel Hardware |
| Polished Stainless Steel Turnbuckles | Raw Stainless Finish Turnbuckles |
| Nose Cones included on Alternator, Water Pump & Idler Pulleys | Nose Cones Sold Separately |
| Comprehensive Installation Instructions | Single Diagram |
| CNC machined billet stylized pulley design - At No Extra Charge | Blank, plain-faced pulleys |
| Exclusive dual idler pulley system for A/C kits to keep belt tension | Single idler pulley allows belt slacking |
Part TypeAccessory Drive Belt Kit
Product LineBillet Specialties Serpentine Conversion Kits
BrandBILLET SPECIALTIES
Package Height5.2
Package Width11.1
Package Length18.2
Weight8.5 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Idler Brackets IncludedNo
Idler/Tensioner IncludedNo
Air Conditioning Bracket IncludedNo
Crankshaft Pulley Grooves6-groove, serpentine
Alternator Pulley IncludedYes
Alternator Nose Cover IncludedYes
Water Pump Pulley Grooves6-groove, serpentine
Bracket MaterialAluminum
Pulley Set StyleStandard ratio
Crankshaft Nose Cover IncludedNo
Water Pump Pulley IncludedYes
Alternator Brackets IncludedYes
Pulley StyleSerpentine Pulley
Pulley FinishPolished
Crankshaft Pulley IncludedYes
QuantitySold as a kit
Power Steering Brackets IncludedNo
Alternator Pulley Grooves6-groove, serpentine
Air Conditioning Cover IncludedNo
Air Conditioning Pulley IncludedNo
Power Steering Pulley IncludedNo
Alternator Fan IncludedYes
Idler Cover IncludedNo
Bracket FinishPolished
Pulley MaterialAluminum
Water Pump Nose Cone IncludedYes
Vendor Part NumberFM2120PC
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
