(4) 10.9 Class (metric equivalent of Grade 8) hardened yellow zinc plated flange bolts for mounting the throttle body to the intake manifold on 4.0L and 2.5L engines. Compatible with Jeeps: Wrangler YJ 91-95, Wrangler TJ 97-06, Cherokee XJ 91-01, Comanche MJ 91-92, Grand Cherokee ZJ 93-98, Grand Cherokee WJ 99-04. Replaces Mopar 6503939 and 6101810. Not for use with throttle body spacers. Sold by a small business in the US and we actually use these parts ourselves. (4) 10.9 Class (metric equivalent of Grade 8) hardened yellow zinc plated flange bolts for mounting the throttle body to the intake manifold on 4.0L and 2.5L engines. Compatible with Jeeps: Wrangler YJ 91-95, Wrangler TJ 97-06, Cherokee XJ 91-01, Comanche MJ 91-92, Grand Cherokee ZJ 93-98, Grand Cherokee WJ 99-04. Replaces Mopar 6503939 and 6101810. Not for use with throttle body spacers. Sold by a small business in the US and we actually use these parts ourselves.