⚡ Upgrade your LS build with race-ready precision and zero compromises!
The Michigan Motorsports Camshaft Thrust Retainer Plate Kit is a direct OEM replacement for GM #12589016, designed exclusively for non-VVT LS engines ranging from 4.8L to 6.2L. Featuring a heavy-duty flat-style plate and premium ARP 134-1002 bolts, it prevents common factory failures like stripped bolts and loosening under high RPM, making it the trusted choice for professional LS builders focused on street, strip, and endurance racing applications.
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