Description: 1. Adaptation: 1996 model vehicles and newer years generally require a big hole kit. Replacement Part Number: 129496-BSH. 2. Specification: Total rod length is 4 3/4". Rod is 3/8" thick. 3. Installation: Direct installation Products include: 1*Spring 1*Long Pushrod 1*Baffle 1*Spider/Retainer Country of Origin United States Items Included munirater Manufacturer Part Number 129496 Manufacturer Warranty 1 Year Type Master Cylinder Performance Part Yes Material Steel Bore Diameter 1.8"-1.85" UPC Does not apply Brand Unbranded .