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Diamond Pistons LT2K Series Pistons

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Diamond Pistons LT2K Series flat top pistons are forged from 2618 aluminum allow for high HP-NOS-Boost applications rated up to 2,000 hp. They're available in a var
Diamond Pistons LT2K Series flat top pistons are forged from 2618 aluminum allow for high HP-NOS-Boost applications rated up to 2,000 hp. They're available in a variety of bore sizes.

Here are some details and specs:

* 3-D milling on piston crowns for ready to install finish
* Inboard forging design with fully machined under crown for maximum strength
* Valve pockets designed to work with most aftermarket 15 degree cylinder heads
* Side gas ports for better ring seal
* Moly skirt coating for friction loss and skirt wear protection
* Top ring down dimension: 0.300 in. (1.304cd) 0.250 in. (1.053cd)
* Ratio
Diamond Pistons LT2K Series flat top pistons are forged from 2618 aluminum allow for high HP-NOS-Boost applications rated up to 2,000 hp. They're available in a variety of bore sizes.

Here are some details and specs:

* 3-D milling on piston crowns for ready to install finish
* Inboard forging design with fully machined under crown for maximum strength
* Valve pockets designed to work with most aftermarket 15 degree cylinder heads
* Side gas ports for better ring seal
* Moly skirt coating for friction loss and skirt wear protection
* Top ring down dimension: 0.300 in. (1.304cd) 0.250 in. (1.053cd)
* Ratios figured for 0.053 head gasket
* Premium 1.5mm x 1.5mm x 3.0mm ring package included
* Premium H-13 0.250W wrist pins included chamfered for round wire locks
* Valve pocket depth: 0.200 in. intake and 0.145 in. exhaust

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Pistons, Flat Top, LT2K Series, Forged Aluminum, 4.065 in. Bore, +10.00cc Head Volume, Chevy, LT1/LT4, Set of 8

Part Number: DPP-21603-RS-8

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Pistons, Flat Top, LT2K Series, Forged Aluminum, 4.125 in. Bore, +12.00cc Head Volume, Chevy, LT1/LT4, Set of 8

Part Number: DPP-21605-RS-8

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Pistons, Flat Top, LT2K Series, Forged Aluminum, 4.070 in. Bore, +10.00cc Head Volume, Chevy, LT1/LT4, Set of 8

Part Number: DPP-21604-RS-8

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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