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Message: [QUOTE="hucorey, post: 1542126, member: 13749"] The clapped out poppet valves/seats can be fixed. These were indeed hand ported. I have been happy with the SRP. The back o-ring is very very slightly leaking, but its nothing Im concerned about. Yes, swirl was indeed left in tact. The guy who flow bench tested them has been doing Lingenfelter's head P&P and design work for 35 years and he has some very interesting clientele that comes to his house too. He said they they look very well done and definitely didn't do anything stupid. A good friend of mine out in California did them. [/QUOTE]

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