Ferrea 5000 Series Valve Stainless Exhaust 1.710" Head 11/32" Valve Stem 5.060" Long - Big Block Ford/Cleveland/Modified - Set of 8 U-Joint U-Bolt Upper back ventilation port the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Upper back ventilation port

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs

The Pacer spindle is a modular design which allows the spindle to interchange from left to right by flipping the steering arm

Solid steel mudplug with removable center plastic cap replaces outer ring on your beadlock

Great in street machines

Ferrea 5000 Series Valve Stainless Exhaust 1.710" Head 11 32" Valve Stem 5.060" Long Big Block Ford Cleveland Modified Set of 8 U Joint U Bolt Upper back ventilation port the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Upper back ventilation port Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs