You are going to need custom pistons. i have 5.40 rods in my 306 i needed custom pistons.you might can find a off the self piston with the right combination that you need for the rod/stroke you have.i saw this 324 stroker comb with a stock crank offset-ground to 3.125 stroke. 5.400 chevy rods and a off the shelf chevy piston. so you might can find a off the shelf piston

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80 cobra high 10's long rod 306 all motor. iron heads,flat tappet cam, mufflers and d.o.t tires
84 mercury capri 308
97 merecury mountaineer 5.0

<font size=-1>[ This Message was edited by: tonys10sec306 on 11/7/03 11:47pm ]</font>