T&D Shaft Mount Rockers are available for Oldsmobile engines with OEM and aftermarket cylinder heads.
T&D Shaft Mount Rockers are available for Oldsmobile engines with OEM and aftermarket cylinder head designs including modified valve angles and custom applications.
T&D Rockers are available in both aluminum or stainless steel for the ultimate in strength and endurance.
Most rocker sets are built to order and require application and cylinder head dimension information. See: ordering checklist.
+ 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 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:
+ Std or Lightweight:
+ Needle Bearing Tips:
+ Spare Rockers: Quantity needed.