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FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs
236 Buick V6 & Grand National, FX, Comp Height: 1.85, -15cc Dish Top, PIN: .94", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.400", ROD: 5.96, Approx Comp Ratio: 41cc-11.14, 46cc-10.39, 55cc-9.32 NOTE: Effective April 17, 2025, all Buick ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
Engine Brand: Buick
Engine Family: Buick V6 & Grand National
Engine Size: 231 V6 & GN
Cylinder Bore Size: 3.840 in , 97.459 mm
Ring Groove Width: 1.2/1.2/3MM
Compression Height: 1.850"
Pin Diameter: 0.940"
Connecting Rod Length: 5.960"
Crankshaft Stroke: 3.400"
Cylinder Head: Buick V6 & Grand National
TDC Assembly Height: 9.510" ( Zero Deck Height )
