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Search Results for: valve cover gaskets

02 Jan

ARK-490 Aluminum Roller Rocker Arm System

All 350 and 403 engines (except #2 heads) using RT-685 roller tappets. For street and strip, requiring no machine work. Rockers have a 1.6:1 ratio, using a 3/8″ chrome moly rocker stud, 5/16″ guide plate, 8.300″ x 5/16 chrome moly pushrods, and 3/8″ poly locks for positive adjustment. Valve covers without baffles and sometimes two valve cover gaskets are needed to run these rocker arm kits. We recommend a maximum lift of .540″ and no more than 320 lbs. of open spring pressure. The pushrod lengths and stud sizes above are intended for cast iron heads. Specify all application data in comments.

02 Jan

7200 Steel Roller Rocker Kit

Steel Roller Rocker set by Mondello. These are available for cast iron cylinder heads only. This kit can be installed instantly without machine work and can be used with any hydraulic, mechanical or roller camshaft up to 500 lbs of open spring pressure. These rockers will fit under stock valve covers (without oil baffles) using our VC-499 valve cover gaskets. Rockers have a true 1.6:1 ratio and are fully adjustable for setting proper valve lash and lifter preload. Kit includes roller rockers & mounting hardware. Specify application data in comments.

02 Jan

ARK-425 Aluminum Roller Rocker Arm System

All 400-425-455 big blocks ( ‘A’ heads must be drilled and tapped). For street and strip, requiring no machine work. Rockers have a 1.6:1 ratio, Includes: 7/16 bottom / 7/16 top thread studs, 7/16 rockers, guide plates, 9.700″ x 5/16 pushrods, and 7/16″ poly locks for positive adjustment. Valve covers without baffles and sometimes two valve cover gaskets are needed to run these rocker arm kits. We recommend a maximum lift of .540″ and no more than 320 lbs. of open spring pressure. The pushrod lengths and stud sizes above are intended for cast iron heads. Specify all application data in comments.

02 Jan

ARK-455 Aluminum Roller Rocker Arm System

All 400-425-455 big blocks, except ‘A’ heads. For street and strip, requiring no machine work. Rockers have a 1.6:1 ratio, using a 3/8″ chrome moly rocker stud, 5/16″ guide plate, 9.700″ x 5/16 chrome moly pushrods, and 3/8″ poly locks for positive adjustment. Valve covers without baffles and sometimes two valve cover gaskets are needed to run these rocker arm kits. We recommend a maximum lift of .540″ and no more than 320 lbs. of open spring pressure. The pushrod lengths and stud sizes above are intended for cast iron heads. Specify all application data in comments.

02 Jan

ARK-460 Aluminum Roller Rocker Arm System

All 350-403 small blocks (except #2 heads). For street and strip, requiring no machine work. Rockers have a 1.6:1 ratio, using a 3/8″ chrome moly rocker stud, 5/16″ guide plate, 8.400″ x 5/16 chrome moly pushrods, and 3/8″ poly locks for positive adjustment. Valve covers without baffles and sometimes two valve cover gaskets are needed to run these rocker arm kits. We recommend a maximum lift of .540″ and no more than 320 lbs. of open spring pressure. The pushrod lengths and stud sizes above are intended for cast iron heads. Specify all application data in comments.

02 Jan

ARK-465 Aluminum Roller Rocker Arm System

All early 307 non-roller cam 1980-1984. For street and strip, requiring no machine work. Rockers have a 1.6:1 ratio, using a 3/8″ chrome moly rocker stud, 5/16″ guide plate, 8.400″ x 5/16 chrome moly pushrods, and 3/8″ poly locks for positive adjustment. Valve covers without baffles and sometimes two valve cover gaskets are needed to run these rocker arm kits. We recommend a maximum lift of .540″ and no more than 320 lbs. of open spring pressure. The pushrod lengths and stud sizes above are intended for cast iron heads. Specify all application data in comments.

02 Jan

ARK-470 Aluminum Roller Rocker Arm System

All late 307 roller cam 1985-1990. For street and strip, requiring no machine work. Rockers have a 1.6:1 ratio, using a 3/8″ chrome moly rocker stud, 5/16″ guide plate, 7.900″ x 5/16 chrome moly pushrods, and 3/8″ poly locks for positive adjustment. Valve covers without baffles and sometimes two valve cover gaskets are needed to run these rocker arm kits. We recommend a maximum lift of .540″ and no more than 320 lbs. of open spring pressure. The pushrod lengths and stud sizes above are intended for cast iron heads. Specify all application data in comments.