TRW Piston verification
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Logistics Pro
Joined: Oct 2005
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From: Mddl A MexCans
TRW Piston verification
trying to verify the part number for a set of supposedly forged 410 TRW pistons pt#(8-8139P) anyone ? "Should be a 4.080 forged 410 piston"
I haven't a clue where to look, summit racing doesn't list them as far as I can tell so ? suggestions... please..
I haven't a clue where to look, summit racing doesn't list them as far as I can tell so ? suggestions... please..
Needsmorecoffee.
Joined: Oct 2004
Posts: 3,624
Likes: 2
From: CT
I think that's a Speed Pro number and should read 381P-8 and are cast 410 slugs not forged. I'm not sure what the TRW part # is for those but maybe Barry R would know? For forged slugs TRW used a "L" prefix in the number. He might be able to cross ref them. Are these the ones on ebay your looking at?
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