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The Wilwood High-Volume Aluminum Master Cylinder, part number wil260-6766, is engineered for high-performance brake systems requiring increased fluid capacity and reliable operation. Crafted with high-pressure die-cast bodies from durable aluminum, this master cylinder offers exceptional strength and corrosion resistance. Its impressive fluid capacity of 8.2 ounces ensures at least 26% more volume than comparable models, reducing the risk of brake fade during extended or aggressive driving. The 1-7/16 inch piston travel provides additional margin for large piston calipers, enabling precise and responsive braking performance. Heavy-duty internal springs facilitate quick retraction of the piston, promoting consistent brake pedal feel and reducing residual drag. The formed steel lids, combined with bellows-type gaskets, effectively seal out moisture and contaminants to maintain optimal hydraulic fluid condition. Designed with standard dimensions, this master cylinder supports both flange and side mounting configurations and features a 1/8-27 NPT outlet port for versatile installation options. Whether upgrading an existing system or building a custom brake setup, the Wilwood High-Volume Aluminum Master Cylinder offers reliable performance and ease of installation for automotive enthusiasts and professionals alike.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
