BTR Brian Tooley Racing LS1/LS6 MLS Cylinder Head Gasket Pair - Fits 4.8L 5.3L 5.7L Gen 3 LS Engines - Multi-Layer Steel Design - Replaces GM Part #12589226

★★★★★ 4.7 146 reviews

$109.99
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$109.99
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Free shipping Free 30-day returns

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Product details

Management number 212909428 Release Date 2026/04/12 List Price $44.00 Model Number 212909428
Category
  • Pair of High-Performance MLS Head Gaskets – Includes two (2) BTR multi-layer steel (MLS) head gaskets BTR98544 , designed for precision sealing under high-compression and high-heat conditions.
  • Direct Fit for LS1, LS6 & 4.8–5.3L Gen 3 LS Engines – Perfect fit for 4.8L, 5.3L, and 5.7L engines, including LS1, LS6, LM7, L59, LR4, L33, and LS4.
  • Replaces GM Part #12589226 – Built to match OEM specs for reliable installation and performance while delivering aftermarket-grade durability.
  • Multi-Layer Steel Construction – Each gasket is constructed from premium MLS layers for maximum sealing strength and resistance to head lift, detonation, and high cylinder pressure.
  • Built for Boosted or High-Compression Builds – Ideal for naturally aspirated, turbocharged, or supercharged applications, and trusted by serious LS builders across the industry.
Color Multicolor
Brand Name BTR Brian Tooley Racing
Item Shape Round
Manufacturer BTR Brian Tooley Racing
Material Type Multi-Layer Steel
Item Thickness 0.05 Inches

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4.7 out of 5
★★★★★
146 ratings | 60 reviews
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