Dynamic Friction 631-48004L Disc Brake Rotor
for 1981 GMC P3500

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Product Information

Get the Dynamic Friction 631-48004L Disc Brake Rotor for your 1981 GMC P3500. Buy now and secure your purchase online!

100% Precision Cut And Mill-Balanced For Smoother Stopping And Zero Vibration At Any Speed
CNC-Machined To The Tightest Tolerances
Designed To Meet The Same Form, Fit, And Function As OEM Brake Rotors
Engineered With Premium G3000/G11H18 Iron Castings For Strength, Stability, And Durability
New In Box, Ready To Install, No Modifications Required
Non-Directional Finish To Promote Faster Break-In And Smoother Stops
Original Equipment (OE) Vane Configuration To Ensure Proper And Maximum Heat Dissipation
Quality Tested To Ensure Long-Lasting Performance
Zinc Plated Silver For Rust Protection On The Rotor Hub, Vents, And Edge

Bolt Circle Diameter:

165.1 mm

Bolt Hole Diameter:

9/16-18 mm

Bolt Hole Quantity:

8 EA

Center Hole Diameter:

116.6 mm

Directional or Non-Directional Brake Surface:

Directional

Disc Finish:

Plain

Discard Thickness:

30.86 mm

Hat Finish:

Zinc Silver

Height:

121 mm

Nominal Thickness:

32.8 mm

Outside Diameter:

317.5 mm

Overall Height:

121 mm

Rust Resistant Coating:

Yes

Solid Or Vented Type Rotor:

Vented

Stud/Lug Hole Circle Diameter:

165.1 mm

Stud/Lug Hole Quantity:

Surface Type:

Slotted X Drilled