Wilwood's Forged Dynalite Pro-Series Front Hub Kits offer complete disc brake upgrade solutions for original drum brake spindle applications on classic Tri-Five Chevys. Based on the venerable forged billet Dynalite caliper, these versatile kits are well suited to the braking requirements and style preferences for a daily driver, serious competition, or the most discriminating show enthusiast. Kits require no modifications for installation, and provide plenty of clearance inside popular 15” wheels. FDL Pro-Series kits can be used with either manual or power boost master cylinders.

Includes all brackets and hardware. This kit fits stock '55-'57 Chevy spindles. Will not fit our 2" drop spindles. Calipers have 1/8" npt inlet.

Forged 4-piston Dynalite Calipers - black finish
11.75" diameter Ultralite HP 32 Vane rotors - plain finish
Wilwood BP-10 SmartPads - low noise, low dust
Lightweight anodized aluminum Pro Street hubs

835-1403425 Instructions (PDF)

Specs

Wilwood Kit Information:

Minimum wheel diameter: 15"
Accepts both 5 x 4.5" and 5 x 4.75" bolt patterns
OE Hub Offset: +.87"
Spindle Type: Drum
Piston Area (Inches Squared): 4.8"
Piston Type: Stainless
Brake Pad Area (Inches Squared): 6.36"
Brake Pad Volume (Inches Cubed): 2.1"
Rotor Material: Iron
Rotor Width: .81"
Stud Diameter - 1/2-20"

Guides & Documents

Everything You Need to Know About Converting Drum Brakes to Disc

Specifications

KEY SPECS
MFG. Part #	8351403425
Brand	Wilwood
Position	Rear
Rotor Diameter	11.75 Inch
Rotor Type	Vented

GENERAL
Bolt Pattern	Multi: 5 on 4.5" \| 4.75" \| 5"