JS Alternators

  • -21% Sale
1981-1985 Jeep Scrambler L4 2.5L 12si High Output Alternator - JSI Racing  1981-1985 Jeep Scrambler L4 2.5L 12si High Output Alternator - JSI Racing 
1981-1985 Jeep Scrambler L4 2.5L 12si High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1987 Pontiac Bonneville V6 3.8L cs144 High Output Alternator - JSI Racing  1987 Pontiac Bonneville V6 3.8L cs144 High Output Alternator - JSI Racing 
1987 Pontiac Bonneville V6 3.8L cs144 High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1998-2003 Toyota Sienna V6 3.0L High Output Alternator - JSI Racing 
1998-2003 Toyota Sienna V6 3.0L High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1977-1981 Buick Century V8 5.0L 12si High Output Alternator - JSI Racing  1977-1981 Buick Century V8 5.0L 12si High Output Alternator - JSI Racing 
1977-1981 Buick Century V8 5.0L 12si High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1997-2002 Ford E-350 Econoline V10 6.8L High Output Alternator - JSI Racing  1997-2002 Ford E-350 Econoline V10 6.8L High Output Alternator - JSI Racing 
1997-2002 Ford E-350 Econoline V10 6.8L High Output Alternator
From $399.00 $499.00
From $399.00
  • -15% Sale
2017-2018 BMW 330i xDrive L4 2.0L High Output Alternator - JSI Racing  2017-2018 BMW 330i xDrive L4 2.0L High Output Alternator - JSI Racing 
2017-2018 BMW 330i xDrive L4 2.0L High Output Alternator
From $469.00 $549.00
From $469.00
  • -21% Sale
1967-1984 GMC G1500 L6 4.1L 12si High Output Alternator - JSI Racing  1967-1984 GMC G1500 L6 4.1L 12si High Output Alternator - JSI Racing 
1967-1984 GMC G1500 L6 4.1L 12si High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1999-2002 Mercury Grand Marquis V8 4.6L High Output Alternator - JSI Racing  1999-2002 Mercury Grand Marquis V8 4.6L High Output Alternator - JSI Racing 
1999-2002 Mercury Grand Marquis V8 4.6L High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1983-1986 Buick Skyhawk L4 2.0L 12si High Output Alternator - JSI Racing  1983-1986 Buick Skyhawk L4 2.0L 12si High Output Alternator - JSI Racing 
1983-1986 Buick Skyhawk L4 2.0L 12si High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
2014-2019 Chevrolet Impala L4 2.5L High Output Alternator - JSI Racing  2014-2019 Chevrolet Impala L4 2.5L High Output Alternator - JSI Racing 
2014-2019 Chevrolet Impala L4 2.5L High Output Alternator
From $399.00 $499.00
From $399.00
External Regulator Plug - JSI Racing 
External Regulator Plug
$19.99
$19.99
  • -21% Sale
1981 Buick Century V8 4.4L 12si High Output Alternator - JSI Racing  1981 Buick Century V8 4.4L 12si High Output Alternator - JSI Racing 
1981 Buick Century V8 4.4L 12si High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1967-1971 GMC K15 Suburban L6 4.8L 12si High Output Alternator - JSI Racing  1967-1971 GMC K15 Suburban L6 4.8L 12si High Output Alternator - JSI Racing 
1967-1971 GMC K15 Suburban L6 4.8L 12si High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
1987-1989 Chevrolet Cavalier L4 2.0L cs130 High Output Alternator - JSI Racing  1987-1989 Chevrolet Cavalier L4 2.0L cs130 High Output Alternator - JSI Racing 
1987-1989 Chevrolet Cavalier L4 2.0L cs130 High Output Alternator
From $399.00 $499.00
From $399.00
  • -21% Sale
2001-2002 Chevrolet Silverado 2500 HD V8 6.0L High Output Alternator - JSI Racing  2001-2002 Chevrolet Silverado 2500 HD V8 6.0L High Output Alternator - JSI Racing 
2001-2002 Chevrolet Silverado 2500 HD V8 6.0L High Output Alternator
From $399.00 $499.00
From $399.00
  • -15% Sale
2009-2014 Nissan Cube L4 1.8L High Output Alternator - JSI Racing  2009-2014 Nissan Cube L4 1.8L High Output Alternator - JSI Racing 
2009-2014 Nissan Cube L4 1.8L High Output Alternator
From $469.00 $549.00
From $469.00