Brakes› Brake Systems And Components
Wilwood
Wilwood Caliper-GM Metric D154 Iron 2.75in Piston 1.00in Disc
SKU: W00B 120-8924
Moderate — 2–4 hours
Description
Part #: 120-8924
These all new cast, not rebuilt iron calipers are bolt-on replacements for 1978 and later GM Metric calipers widely used in "spec" racing categories and low cost disc brake conversions. Requires use of hardened Wilwood slide pins (sold separately), request part no. 230-0619 (slide pin kit) contains 4 slide pins, enough for two calipers
Brake Caliper - GM Metric - 1 Piston - Iron - Natural - 11.750 in OD x 1.040 in Thick Rotor - 5.460 in Floating Mount - Each
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wilwood |
| Part Number | W00B 120-8924 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy