Dart 63121212 valve guide for Small Block Chevy. Features an 11/32in valve, 2.100in long, 0.439in OD, made from manganese bronze, designed for racing builds to ensure precise valve alignment. Enhances durability in high-performance setups. Sold as each.
Dart 63121210 valve guide for Small Block Chevy. Features an 11/32in valve, 1.950in long, 0.439in OD, made from manganese bronze, designed for racing builds to ensure precise valve alignment...
Dart 63121202 valve guide for Small Block Chevy. Features an 11/32in valve, 2.100in long, 0.502in OD, made from manganese bronze, designed for racing builds to ensure precise valve alignment...
Dart 63121203 valve guide for Small Block Chevy. Features an 11/32in valve, 2.250in long, 0.502in OD, made from manganese bronze, designed for racing builds to ensure precise valve alignment...
Dart 63121205 valve guide for Small Block Chevy. Features an 11/32in valve, 3.000in long, 0.502in OD, made from manganese bronze, designed for racing builds to ensure precise valve alignment...
Dart 63121201 valve guide for Small Block Chevy. Features an 11/32in valve, 1.950in long, 0.502in OD, made from manganese bronze, designed for racing builds to ensure precise valve alignment...