Michigan Motorsports LS Valley Cover Gasket - Fits 1997-2007 Gen 3 LS Engines - Replacement Gasket for LS1 LS6 LM7 LQ4 LQ9 LR4 - Replaces 12558178
R 1,974
or 4 x payments of R493.50 with
Availability: Currently in Stock
Delivery: 10-20 working days
Michigan Motorsports LS Valley Cover Gasket - Fits 1997-2007 Gen 3 LS Engines - Replacement Gasket for LS1 LS6 LM7 LQ4 LQ9 LR4 - Replaces 12558178
Precision Molded Valley Cover Gasket for Gen 3 LS Engines – Designed to provide a reliable, leak-free seal between the valley cover and engine block on all 1997–2007 Gen III LS platforms.
OEM Fit and Function – Direct Replacement for GM 12558178 – Manufactured to meet or exceed OEM specifications, this gasket offers a perfect fit and excellent durability for stock and performance engine builds.
Durable Rubber Construction with Molded Bead Sealing – Made from high-quality rubber with an integrated sealing bead, ensuring long-lasting oil resistance, proper sealing, and resistance to heat and vibration.
Compatible with Multiple LS Gen 3 Applications – Fits a wide range of LS-based iron and aluminum blocks, including LS1, LS6, LM7, LQ4, LQ9, LR4, and more.
Ideal for Engine Rebuilds, Cam Swaps, or General Maintenance – Whether you're doing a valley cover reseal, camshaft upgrade, or replacing a leaking gasket, this is a must-have component for proper LS engine maintenance.