Proform Fits 3/8 Inch Studs for SB Chevy Engines 66789 1978-pontiac-grand-lemans-esi9675417 The 1-7/8" headers are a

The 1-7/8" headers are a strong choice for most street and performance builds across a broader RPM range

2000-2001 Acura Integra Type R 1990-1992

"text":"The ALL98130 is sold as a pair

2005 Toyota Tacoma 1991

"name":"How many eyeports does it have

Proform Fits 3/8 Inch Studs for SB Chevy Engines 66789 1978-pontiac-grand-lemans-esi9675417 The 1-7/8" headers are aProper push rod length is absolutely critical for peak performance minimizing bent or broken valve stems, guide wear, and energy wasting valve side loading friction. Fits all 1955 1986 Chevrolet Models. Proform Fits 3 8 Inch Studs for SB Chevy Engines 66789 Specifications: Feature Benefit Proper push rod length is absolutely critical for peak performance minimizing bent or broken valve stems, guide wear, and energy wasting valve side loading friction.