M12-1.25 x 30mm ISO Grade 10.9 Hex Flange Bolt - JIS B1189, Fully Threaded, (1pc) K Series Hardware Kit but it will fit ANY

but it will fit ANY B SERIES ENGINE

I’ve used them mostly on cars with ram horn and cast log manifolds but it will still work with other manifold designs

This kit includes:

Please Note that shipping to Hawaii and Alaska is an additional $40 fee

May fit other applications

M12-1.25 x 30mm ISO Grade 10.9 Hex Flange Bolt - JIS B1189, Fully Threaded, (1pc) K Series Hardware Kit but it will fit ANYFeatures: Conforms to JIS B1189 Standard Has 17mm Hex Head Metric Grade 10. 9 Hardware Flange Head Bolt, No Washer Required Details: Features: 12mm diameter, 1. 25mm thread pitch, 30mm length, high strength ISO 10. 9 rating, hex flange head, adherence to JIS B1189 specifications