Replacement Powerflow Manifold to Riser Gasket
Early style round hole.
Bolt Hole Center to Center Length: 4-1/4″
Bolt Hole Center to Center Width: 3″
Exhaust Port Diameter: 3-1/8″
Manufacturer’s Part Number: 421RGK
Item Condition: New, old stock inventory item. NOS means there may be signs of age from shelf life. All NOS are sold in uninstalled, working condition. Most parts have been removed from original packaging for picture details.
Please contact us if you have any questions.