Weld Racing 77MB-510A75A RT-S S77 15x10 Black Forged Aluminum Street & Strip Wheel

The Weld Racing RT-S S77 (MPN: 77MB-510A75A) is a 15x10 forged aluminum drag wheel engineered to bring proven racing technology to the street and strip. Built on Weld's classic tuning fork multi-spoke design, the S77 delivers the aggressive look and performance that modern muscle car enthusiasts demand.

Key Features:

• 3-Piece Forged Construction: Features cold-forged shells paired with a 6061 aluminum center for an optimal balance of strength and reduced rotational weight
• Size: 15 in. x 10 in.
• Bolt Pattern: 5x4.5 in. (5x114.3mm)
• Backspacing: 7.5 in.
• Offset: +51mm
• Center Bore: 80.77mm
• Load Rating: 1,580 lbs.
• Finish: Black anodized center with polished shell
• Medium Pad Height: Designed to clear high-performance factory brake systems from the mid-1960s onward and many popular aftermarket brake packages
• Non-Beadlock configuration
• Accepts 5/8 in. wheel studs
• Requires shank-style lug nuts (15 in. diameter)
• Surpasses SFI 15.1 Drag Race Drive Wheel Specifications and SAE J2530 Aftermarket Wheel Standards
• Center cap and valve stem included
• Made in Kansas City, USA

The RT-S S77's three available mounting pad heights make it adaptable to a wide range of brake configurations—from factory drum and early disc setups to modern high-performance multi-piston calipers. Whether you're making passes at the track or cruising the street, the S77 delivers race-proven Weld quality in a package built for daily usability.