JBA GM S-Truck 4.3L V6 Shorty Header Part 1840S-4JS – Silver Ceramic Coated for 1989-2003 Chevrolet S10

Description

Upgrade your Chevrolet S10 with the JBA GM S-Truck 4.3L V6 Shorty Header, part number 1840S-4JS. Crafted from mandrel-bent stainless steel, this header features 1½-inch primary tubes designed to replace restrictive stock manifolds and significantly improve your engine’s airflow and performance. The durable stainless steel construction ensures longevity under demanding conditions, whether you’re towing, racing, or daily driving. The proprietary Firecone collector utilizes race-proven technology to optimize power and torque gains precisely where you need them most, providing a noticeable boost in engine efficiency and responsiveness. With factory-style emission connections and high-quality hardware included, installation is straightforward, resulting in a professional, leak-free fit that adheres to EPA and CARB standards, making it suitable for street use.

Features:

• 3/8-inch thick machined flanges with oversized exhaust ports for improved airflow and durability

• Proprietary JBA Firecone collector for maximum power and torque gains

• Factory style emission connections ensuring compliance and easy installation

• Mandrel bent stainless steel tubing for smooth exhaust flow and longevity

• Extra thick collector domes designed for enhanced performance and durability

Fitment:
Chevrolet Blazer Base 1995
Chevrolet Blazer LS 2002
Chevrolet Blazer LS 2003
Chevrolet Blazer LT 1995
Chevrolet Blazer Xtreme 2002
Chevrolet Blazer Xtreme 2003
Chevrolet S10 Base 1988
Chevrolet S10 Base 1989
Chevrolet S10 Base 1990
Chevrolet S10 Base 1991
Chevrolet S10 Base 1992
Chevrolet S10 Base 1993
Chevrolet S10 Base 1994
Chevrolet S10 Base 1995
Chevrolet S10 Base 2002
Chevrolet S10 Base 2003
Chevrolet S10 Durango 1988
Chevrolet S10 Durango 1989
Chevrolet S10 Durango 1990
Chevrolet S10 EL 1992
Chevrolet S10 EL 1993
Chevrolet S10 LS 1994
Chevrolet S10 LS 1995
Chevrolet S10 LS 2002
Chevrolet S10 LS 2003
Chevrolet S10 Sport 1988
Chevrolet S10 Sport 1989
Chevrolet S10 SS 1994
Chevrolet S10 SS 1995
Chevrolet S10 Tahoe 1988
Chevrolet S10 Tahoe 1989
Chevrolet S10 Tahoe 1990
Chevrolet S10 Tahoe 1991
Chevrolet S10 Tahoe 1992
Chevrolet S10 Xtreme 2002
Chevrolet S10 Xtreme 2003
Chevrolet S10 Blazer Base 1994
Chevrolet S10 Blazer LT 1994
Chevrolet S10 Blazer Tahoe 1994
Chevrolet S10 Blazer Tahoe LT 1994
GMC S15 Base 1988
GMC S15 Base 1989
GMC S15 Base 1990
GMC S15 Gypsy 1988
GMC S15 High Sierra 1988
GMC S15 High Sierra 1989
GMC S15 High Sierra 1990
GMC S15 Sierra Classic 1988
GMC S15 Sierra Classic 1989
GMC S15 Sierra Classic 1990
GMC S15 Jimmy Base 1988
GMC S15 Jimmy Base 1989
GMC S15 Jimmy Base 1990
GMC S15 Jimmy Base 1991
GMC S15 Jimmy Gypsy 1988
GMC S15 Jimmy Gypsy 1989
GMC S15 Jimmy Gypsy 1990
GMC S15 Jimmy Sierra Classic 1988
GMC S15 Jimmy Sierra Classic 1989
GMC S15 Jimmy Sierra Classic 1990
GMC S15 Jimmy SLE 1991
GMC S15 Jimmy SLS 1991
GMC S15 Jimmy SLT 1991
GMC S15 Jimmy Timberline 1988
GMC S15 Jimmy Timberline 1989
GMC Sonoma Base 1992
GMC Sonoma Base 1993
GMC Sonoma GT 1992
GMC Sonoma SL 1994
GMC Sonoma SL 1995
GMC Sonoma SL 2002
GMC Sonoma SL 2003
GMC Sonoma SLE 1992
GMC Sonoma SLE 1993
GMC Sonoma SLE 1994
GMC Sonoma SLE 1995
GMC Sonoma SLS 1993
GMC Sonoma SLS 1994
GMC Sonoma SLS 1995
GMC Sonoma SLS 2002
GMC Sonoma SLS 2003