Front Engine Upfit Kit – Dual V-Belt to 10/8 Groove Serpentine Belt Conversion for Detroit Diesel Series 60 Engines (12.00" Fan Mounting Height).
This non-chassis-specific upfit kit converts the front engine accessory drive from dual V-belts to a high-performance 10/8 groove serpentine belt system. Designed for Detroit Diesel Series 60 engines with a 12.00" fan mounting height (center of crank to center of fan hub) and top-mount pad-style AC compressor with pad-mount alternator.
Kit Includes:
- (1) Alternator/AC Compressor Mounting Bracket – Top Mount
- (1) AC Compressor Clutch – 8 Groove
- (1) Accessory Drive Pulley – 8 Groove
- (1) Accessory Drive Pulley Retaining Nut
- (1) Alternator and AC Compressor Tensioner
- (1) Alternator Pulley – 8 Groove
- (1) Main Drive Belt Tensioner – 10 Groove
- (1) Crankshaft Pulley – 10 Groove
- (6) Crankshaft Pulley Bolts
- Mounting Hardware
Compatibility:
- Detroit Diesel Series 60 engines with 12.00" fan mounting height
- Kenworth T660, T800 and similar
- Peterbilt 386 and similar models
Important Notes:
- For accessory drive P/N 23523996: Replace the dual V-belt pulley with the supplied 8-groove serpentine pulley.
- For accessory drive P/N 23509200: The shaft is 1/4" too short – shimming or shaft replacement may be required for proper belt alignment.
- Contact Kustom Truck to confirm compatibility with your specific engine and fan mounting height.
Key Specifications:
- Converts dual V-belts to 10/8 groove serpentine belt system
- Improves power transmission and reduces belt slippage
- Compatible with top-mount pad-style AC compressor and pad-mount alternator
- Complete kit with brackets, pulleys, tensioners, and hardware