Description
🔥 Factory-Exact Seal – Manifold Steel Performance Gasket (GM LS Engines 12617944)
Blown Out Factory Gasket Causing Leaks? Unlike cheap fiber gaskets, this Manifold Steel Performance Gasket provides:
✔ 3-Layer Stainless Construction – Seals up to 1,400°F ✔ Laser-Cut Fitment – Matches OEM port dimensions exactly ✔ Embossed Sealing Rings – 360° compression under load
“This Manifold Steel Performance Gasket solved my LS1’s exhaust leak – zero issues after 15K miles!”
- Jason T., LS Engine Specialist
Technical Specifications
Perfect Fit For: → 1999-2013 LS1/LS6 engines → 2007-2017 LY5/LM7 truck motors → Aftermarket headers with OEM flanges
Key Features:
- 0.062″ Compressed Thickness – Maintains proper clamp load
- CNC-Pierced Bolt Holes – No misalignment during install
- EMD Coatings – Prevents thermal cycling failures
Extended Vehicle applications:
This OEM gasket Fits:
1999-2017 GM Trucks and vehicles with V8 LS Engines
Silverado Sierra Escalade Canyon Tahoe Suburban CTS
LS1, LS2, LS3, LS6 Engine Configurations (Various Models)
4.8L 5.3L 5.7L 6.0L 6.2L 7.0L
Model year applications:
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17
