AFR Magnum Comp Cylinder Head - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Big Block Chevy - Pair YA0863 To combat this problem

To combat this problem

Chevrolet: Cheyenne 19 - 21 6

Retro Holley

to keep dirt inside tire from plugging TIRELIEF

AFR Magnum Comp Cylinder Head - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Big Block Chevy - Pair YA0863 To combat this problemAFR BB Chevy line of medium volume intake runners will provide you with exactly that. The phrase ''having your cake and eating it to'' would certainly be appropriate with their moderately sized intake runners producing tremendous flow figures across the entire lift range. These high flow high velocity ports provide extreme versatility and fill the needs of many applications. From a max effort high compression 454 605ci low rpm marine application,