Flycutting tools available for LS3, Gen V LT1, and LS7 intake valve sizes, as well as LS3 exhaust valve size! Easy to use tool to create adequate size valve reliefs without the need for pulling the pistons from the block!
GPI – Piston Flycut Tool
$169.95
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Multiple size tools available for various valve sizes!
Product Documents
Flycutting Guide
Description
Questions & Answers (21)
Customer questions & answers
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What tool will I need? I have lt1 heads prc but has 2.165 intake valve. Will it be the ls3 Flycut tool?
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Q What tool will I need? I have lt1 heads prc but has 2.165 intake valve. Will it be the ls3 Flycut...... Read more answer nowAsked by on March 30, 2024 10:41 pmA I haven't ever flycut with the prc heads but I would think that cutter would work for their guides
Will this tool work on a SBF with trick flow heads with 2.02 valve
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Q Will this tool work on a SBF with trick flow heads with 2.02 valve answer nowAsked by on March 12, 2024 4:03 pmA Haven't used them for that application before but I'd be willing to bet the stem diameter is probably different, we order these from a company called Lindy Tool you may reach out to them and verify first or see if they offer one for your application
I have an LQ9 with 241 heads going on it. I ordered the LS1 style fly cut tool and it’s not wide enough for the intake. Do I need to order the LS3 fly cut tool instead?
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Q I have an LQ9 with 241 heads going on it. I ordered the LS1 style fly cut tool and it’s not wide ...... Read more answer nowAsked by on March 11, 2024 1:23 pmA Depending on what size valves you're running in those heads I would assume they're 2.00 or 2.02 but our ls3 cutter will be for 2.160 or 2.165 diameter
I’m working with a LS6 that’s running stock pistons and the heads have been reworked and have a 2.055 intake valve. Would the LS1/LS2 tool work for this size valve or will I need to order one that is specific to the size valve I have?
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Q I’m working with a LS6 that’s running stock pistons and the heads have been reworked and have a 2...... Read more answer nowAsked by on August 29, 2023 8:52 amA Hard to say exactly, probably be best to have a custom one made from lindy tool to know for certain
Hi I’m looking for a piston notching tool for a 2 1/4” valve or 2 3/8” valve. I need to put valve reliefs in pistons. Also with a 11/32” guide. Thank you
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Q Hi I’m looking for a piston notching tool for a 2 1/4” valve or 2 3/8” valve. I need to put valve...... Read more answer nowAsked by on August 24, 2023 5:38 pmA We don't offer those sizes, you would need to contact lindy tool and have them make you one
Yes, can I get the dimensions on the cutter, specifically the diameter of the cut? Thx
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Q Yes, can I get the dimensions on the cutter, specifically the diameter of the cut? Thx answer nowAsked by on July 8, 2023 7:29 pmA The diameter would be based on which valve option you select
I have a gen 4 ly6 block bored 4.065 with factory ls3 pistons and 823 square ports that’s has been milled .25 what bit do I use?
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Q I have a gen 4 ly6 block bored 4.065 with factory ls3 pistons and 823 square ports that’s has bee...... Read more answer nowAsked by on May 2, 2023 8:32 amA Ls3
Can i get apart number i have a lq4 with milled 823 need the tools to do the job
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Q Can i get apart number i have a lq4 with milled 823 need the tools to do the job answer nowAsked by on April 30, 2023 11:32 pmA You'll need the ls3 intake tool
Even though the ls1/ls2 valve cutter is 2in. Am I able to use that to cut the smaller 1.89 valve reliefs Into my pistons
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Q Even though the ls1/ls2 valve cutter is 2in. Am I able to use that to cut the smaller 1.89 valve ...... Read more answer nowAsked by on March 24, 2023 3:16 pmA As long as it doesn't get close to your cylinder walls depending on your bore I wouldn't think so but haven't tried that
Does this include everything that I need to fly cut my Gen V l83?
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Q Does this include everything that I need to fly cut my Gen V l83? answer nowAsked by on March 2, 2023 2:20 pmA We don't offer a flycut tool for l83, you'd need to contact lindy tool about having them make you one
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Awesome product!
great quality products and fast shipping
nice product
Amazing product quality
Worked exactly like demonstrated