Billet Specialties SB Chevy Triple Groove Crankshaft Pulley - Polished - V-Belt - 6.438 in. Diameter - Chevy 50BONUS Diaper is NHRA approved but

Diaper is NHRA approved but is not designed for vehicles that require SFI approved diapers

2017-2019 Ford F-250 Super Duty Platinum Crew Cab Pickup

4R70W #40504 and E40D & 4R100 will require optional kit #40505

The durable rubber boot keeps the sliding mechanism free of dirt and debris

7/8 in to 1-1/8 in Stroke

Billet Specialties SB Chevy Triple Groove Crankshaft Pulley - Polished - V-Belt - 6.438 in. Diameter - Chevy 50BONUS Diaper is NHRA approved butProduct Description: Crankshaft Pulley V Belt 3 Groove 6. 438 in Diameter Billet Aluminum Polished Long Water Pump Small Block Chevy Sold Individually Billet Specialties is proud to be one of the most recognized names in the Hot Rod industry. With hundreds of accessory products and 90 plus wheel styles Billet Specialties has the most diverse product line in the industry and its growing every day. No other billet wheel or accessory manufacturer can