Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Wilwood / New

Wilwood Caliper-GP310 Polished Front L/H 84-99 1.25in Pistons .25in Disc

Wilwood · New

Wilwood Caliper-GP310 Polished Front L/H 84-99 1.25in Pistons .25in Disc

MPN 120-7737-P · Store SKU wil120-7737-P

$547.83
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 1:45:46 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Wilwood's GP310 motorcycle disc brake caliper has been designed and engineered for use on 1984 to 1999 Harley-Davidson® Motorcycles. Built around a 4-piston, high performance powerhouse, this billet aluminum caliper brings distinctive, bolt-on styling: Direct leg-mounted calipers are available for all single and dual disc models (except Springer and 4-speed FL models), as well as the 1983 XR 1000. CALIPER,GP310,1.25,.25 ROTOR,L/H,FRONT POLISH,84-99

Manufacturer fitment & guides

Check 120-7737-P against the manufacturer’s application information below.

More from Wilwood ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.