Elgin Stamped Steel Rocker Arm (Each) - SB Chevy - 1.5 Ratio - 7/16" Stud H762C04S They have 20% more exhaust

They have 20% more exhaust flow than cast iron Vortec heads

For when the ride is especially rough and you want to keep those belts tightened down

these springs are guaranteed to be within two percent of stated rate and length

Uses the factory shifter cable

Big Block Ford / Ford Cleveland / Modified

Elgin Stamped Steel Rocker Arm (Each) - SB Chevy - 1.5 Ratio - 7/16" Stud H762C04S They have 20% more exhaustStamped steel, long slot rocker arms include nuts and grooved balls for efficient lubrication. Sold individually. Since 1919, Elgin Industries has been one of the premier manufacturers of engine components. Product Description: Rocker Arm 7 16 in Stud Mount 1. 50 Ratio OEM Long Slot Ball Nut Included Steel Small Block Chevy Sold Individually