Suncoast 12" (300MM) Pro Street / Competition Converter - Lock-Up, '98-Up (LS Engine)

 

12" (300MM) PRO STREET/COMPETITION CONVERTER (LOCK-UP) '98 - UP (LS ENGINE)

 

The COA‑110110 is a purpose-built, high-capacity 12-inch (300 mm) lock-up torque converter tailored for '98-Up 4L60E transmissions paired with LS-series engines. Designed under Coan Racing's Pro Street/Competition standard, it combines a firm, slip-free lock-up mechanism with smooth cruising capabilities, making it ideal for both spirited street driving and aggressive acceleration. Constructed with a precision-balanced design, this converter ensures durable engagement under load without sacrificing drivability. It's optimized for 1998 and later LS applications, offering enhanced hydraulic flow, stall control, and heat management commonly demanded by performance builds. Made in the USA to Coan's rigorous quality standards, the COA‑110110 delivers reliable, race-inspired response with improved highway efficiency and robustness on high-output engines. 

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2008 Hummer H3
2007 Chevrolet Avalanche 1500
2007 Chevrolet Express 1500
2007 Chevrolet Silverado 1500
2007 Chevrolet Suburban 1500
2007 Chevrolet Tahoe
2007 Chevrolet Trailblazer EXT
2007 GMC Envoy XL
2007 GMC Envoy XUV
2007 GMC Savana 1500
2007 GMC Sierra 1500
2007 GMC Yukon
2007 GMC Yukon XL 1500
2006 Chevrolet Avalanche 1500
2006 Chevrolet Express 1500
2006 Chevrolet Silverado 1500
2006 Chevrolet Suburban 1500
2006 Chevrolet Tahoe
2006 Chevrolet Trailblazer EXT
2006 GMC Envoy XL
2006 GMC Envoy XUV
2006 GMC Savana 1500
2006 GMC Sierra 1500
2006 GMC Yukon
2006 GMC Yukon XL 1500
2006 Pontiac GTO
2005 Chevrolet Avalanche 1500
2005 Chevrolet Express 1500
2005 Chevrolet Silverado 1500
2005 Chevrolet Suburban 1500
2005 Chevrolet Tahoe
2005 Chevrolet Trailblazer EXT
2005 GMC Envoy XL
2005 GMC Envoy XUV
2005 GMC Savana 1500
2005 GMC Sierra 1500
2005 GMC Yukon
2005 GMC Yukon XL 1500
2005 Pontiac GTO
2004 Chevrolet Avalanche 1500
2004 Chevrolet Corvette
2004 Chevrolet Express 1500
2004 Chevrolet Silverado 1500
2004 Chevrolet Suburban 1500
2004 Chevrolet Tahoe
2004 Chevrolet Trailblazer EXT
2004 GMC Envoy XL
2004 GMC Envoy XUV
2004 GMC Savana 1500
2004 GMC Sierra 1500
2004 GMC Yukon
2004 GMC Yukon XL 1500
2004 Hummer H2
2004 Pontiac GTO
2003 Chevrolet Avalanche 1500
2003 Chevrolet Corvette
2003 Chevrolet Express 1500
2003 Chevrolet Silverado 1500
2003 Chevrolet Suburban 1500
2003 Chevrolet Tahoe
2003 Chevrolet Trailblazer EXT
2003 GMC Envoy XL
2003 GMC Envoy XUV
2003 GMC Savana 1500
2003 GMC Sierra 1500
2003 GMC Yukon
2003 GMC Yukon XL 1500
2003 Hummer H2
2002 Chevrolet Avalanche 1500
2002 Chevrolet Camaro
2002 Chevrolet Corvette
2002 Chevrolet Silverado 1500
2002 Chevrolet Suburban 1500
2002 Chevrolet Tahoe
2002 GMC Sierra 1500
2002 GMC Yukon
2002 GMC Yukon XL 1500
2002 Pontiac Firebird
2002 Pontiac Trans Am
2001 Chevrolet Camaro
2001 Chevrolet Corvette
2001 Chevrolet Silverado 1500
2001 Chevrolet Suburban 1500
2001 Chevrolet Tahoe
2001 GMC Sierra 1500
2001 GMC Yukon
2001 GMC Yukon XL 1500
2001 Pontiac Firebird
2001 Pontiac Trans Am
2000 Chevrolet Camaro
2000 Chevrolet Corvette
2000 Chevrolet Silverado 1500
2000 Chevrolet Suburban 1500
2000 Chevrolet Tahoe
2000 GMC Sierra 1500
2000 GMC Yukon
2000 GMC Yukon XL 1500
2000 Pontiac Firebird
2000 Pontiac Trans Am
1999 Chevrolet Camaro
1999 Chevrolet Corvette
1999 Chevrolet Silverado 1500
1999 GMC Sierra 1500
1999 Pontiac Firebird
1999 Pontiac Trans Am
1998 Chevrolet Camaro
1998 Chevrolet Corvette
1998 Pontiac Firebird
1998 Pontiac Trans Am

SKU: COA-110110

GTIN:

Manufacture Name: Suncoast Performance

Shipping Weight: 45 lb

Shipping Length: 15 in

Shipping Width: 15 in

Shipping Height: 15 in

EO Number:

Cross Reference #

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