PROCOMP/HEADER BBC CHEVY PREMIUM ROLLER ROCKER ARMS 1.7 X 7/16

• This is a NEW set of big block CHEVY Roller Rocker Arms for the 366-396-402-427 & 454 CHEVY engines.  
• These are  Premium Series Roller Rocker Arms that are rated for 600 lbs open spring pressure.
• 1.7 ratio for 7/16 studs.
• Made of high strength extruded aluminum with large sleeve bearing trunnions and chrome moly roller tips.
• Machined to clear most oversize & roller valve springs. 
• There is only one rocker arm pictured, but you will receive the COMPLETE SET of 16 rocker arms with the LOCKING STUD POLY LOCKS.
• We offer CNC head porting, custom billet steel cranks, custom cams, custom pistons, custom push rods, aftermarket heads & blocks, rotating assemblies, superchargers, etc. 
• Made in China.
• Small variations from picture are normal.
  
• SHIPPING IN THE LOWER 48 STATES IS FREE!

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