ARP High Performance Series Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Exhaust Bolts Only - Dart - Big Block Chevy - Set of 8 Moroso Performance Products This fire-retardant cotton based (FRC)

This fire-retardant cotton based (FRC) material is used for the inner and outer layers because it retains the softness and breathability of cotton and will wick away moisture from the skin

These Performer RPM cylinder heads are designed for 400

Fittings are suitable for most steering applications

Improved fuel economy and ring seal for more power

Durable And Affordable

ARP High Performance Series Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Exhaust Bolts Only - Dart - Big Block Chevy - Set of 8 Moroso Performance Products This fire-retardant cotton based (FRC)Product Description: Cylinder Head Bolt Kit High Performance Series Hex Head Chromoly Black Oxide Exhaust Bolts Only Dart Big Block Chevy Set of 8 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.