Description
Porting Benefits
Porting your Whipple Gen 4 can yield gains of up to 100+ wheel horsepower with the right modifications. Results are typically better at higher RPMs and with more aggressive setups.
Rebuild Details
The Gen 4 rebuild includes:
• New shaft bearings
• New case rotor bearings
• New seal
• Fresh oil
• Thorough cleaning and reassembly
Note: We do not service the rotor pack, rotor pack gears, or gear case rotor bearings.
Ordering
Select either the port service, rebuild service, or both to complete your order.
