Wilwood · New
Wilwood Caliper-GP310 Polished Rear 1.25in Pistons .25in Disc
MPN 120-7741-P · Store SKU wil120-7741-P
Supplier stock checked 11/7/2026, 2:42:14 PM UTC. Adding a part does not reserve it.
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 Rear motorcycle disc brake caliper has been designed and engineered for use on 1984 - present Harley-Davidson® Motorcycles. Built around a 4-piston, high performance powerhouse, this billet aluminum caliper brings distinctive, bolt-on styling: Bracket-mounted calipers with a standard 3.50" mount spacing are available for all most models (except Springer and 4-speed FL models). CALIPER,GP310,1.25,.25 ROTOR,L/H,REAR POLISH
Manufacturer fitment & guides
Check 120-7741-P against the manufacturer’s application information below.
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