Diamond Pistons 12 Degree LS2K Series Pistons

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Diamond Pistons LS2K Series pistons are for anyone looking to lay down some serious horsepower with their high performance race engine. These forged 2618 aluminum p

Diamond Pistons LS2K Series pistons are for anyone looking to lay down some serious horsepower with their high performance race engine. These forged 2618 aluminum pistons are not only significantly lighter than the factory pistons but also superior in strength. The 2618 alloy is specifically for nitrous, boosted, and engines making up to 2,000 hp. Piston sets are available in dish or flat top style in a variety of bore sizes.

Diamond Pistons LS2K Series piston features include:

* 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 12-degree aftermarket cylinder heads
* Side gas ports for better ring seal
* Moly skirt coating for friction-loss and skirt-wear protection
* Top ring down dimension 0.280 in.
* Ratios figured for 0.053 in. head gasket
* Premium 1.5mm x 1.5mm x 3.0mm ring package included
* Premium H-13 0.225W wrist pins included chamfered for round wire locks
* Valve pocket depth 0.220 in. intake and 0.162 in. exhaust

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Diamond Pistons 12 Degree LS2K Series Pistons 21568-RS-8

Pistons, Flat Top, 12 Degree LS2K Series, Forged Aluminum, 4.135 in. Bore, +4.80cc Head Volume, Chevy, LSX, Set of 8

Part Number: DPP-21568-RS-8

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Diamond Pistons 12 Degree LS2K Series Pistons 21569-RS-8

Pistons, Flat Top, 12 Degree LS2K Series, Forged Aluminum, 4.145 in. Bore, +4.80cc Head Volume, Chevy, LSX, Set of 8

Part Number: DPP-21569-RS-8

Not Yet Reviewed