LS7 NHRA legal direct bolt on
This rocker arm was designed and built with the Stock Eliminator drag race program in mind. The rocker’s are designed to be a direct bolt on with no machine work required on a Production GM LS7 head. The rocker’s are made from Billet steel with an adjuster screw so that lash may be set.
While we have had customer’s use this rocker set on after market heads with great results we have seen some that geometry is way off
This 15015 rocker arm was designed and built with the Stock Eliminator drag race program in mind. The rocker’s are designed to be a direct bolt on with no machine work required on a Production GM LS7 head. The rocker’s are made from Billet steel with an adjuster screw so that lash may be set.
While we have had customer’s use this rocker set on after market heads with great results we have seen some that geometry is way off.
*** DESIGNED TO BE USED WITH STOCK LENGTH VALVE ONLY ***
+ Cylinder Head Mfg / Part #: Head type (aftermarket vs OEM). Part #s are often stamped in front / rear of castings.
+ Valve Length: Measured as overall length or + overlenth from OEM dimensions
+ Spring Diameter: Diameter or Mfg part #.
+ Pushrod Diameter: Width measured in thousandths.
+ Lash Caps: If installed on tip of valve stem – yes or no.
+ Rocker Ratios: Intake & Exhaust
+ Head Porting Information: If yes, please include provider name / company to determine alteration of valve spacing.
Block
+ Block Type / Brand: Mfg / Part # (aftermarket vs OEM).
+ Cam Location: Standard or raised on aftermarket blocks for crankshaft clearance.
+ Deck Height: Standard or raised of aftermarket blocks for large displacement applications
+ Cam Type: Hydraulic, Roller or Hydraulic Roller
+ Lobe or Valve Lift: Lobe if rocker ratio is unknown.
+ Lifter Offset: Standard or Offset (Intake and / or Exhaust)
+ Lifter Height: Standard or Tall
+ Spring Oil Hole:
+ Shotpeening:
+ Std or Lightweight:
+ Needle Bearing Tips:
+ Accessories:
+ Spare Rockers: Quantity needed.