340 Piston to valve clearance w/RHS heads

70aarcuda said

yes trw is out of business...speed pro now makes...

http://www.summitracing.com/parts/TRW-L2316F40/

say they would ship on feb 7, 2011

too heavy of a piston...i would use the kb243 also...

Used a set of Kb191 hyper for ever...ran a best of 10.70s with them...

Click to expand...

Well maybe now they are making them once again. Last spring nobody could get them for me, I tried. Resale value of the motor likely be higher with forged, looking back thou my motor is quiet on starts and if it holds up I be happy