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Diamond Pistons Competition Series Pistons

5.0 out of 5 stars 1 Customer Reviews

Diamond Pistons Competition Series pistons are for those looking to take their engine to a whole new level of power. These forged aluminum pistons are superior in strength and provide extra protection during the high-stresses of high-compression, forced induction, or nitrous.

Diamond Pistons Competition Series features:

* 3D milling on piston crowns for "ready-to-install" finish
* Generous valve pockets designed to work with stock or oversized valves and various cylinder heads
* Constructed from forged 4032 or 2618 aluminum alloy (where specified)
* Premium 8620 or H-13 steel wrist pins (where specified)

Results 1 - 25 of 63

Pistons, Dish, Competition Series, Forged Aluminum, 4.070 in. Bore, -11.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11589-R1-8

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Pistons, Flat Top, Competition Series, Forged Aluminum, 4.065 in. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11543-R1-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Pistons, Flat Top, Competition Series, Forged Aluminum, 4.070 in. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11545-R1-8

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Pistons, Flat Top, Competition Series, Forged Aluminum, 4.070 in. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11546-R1-8

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Pistons, Flat Top, Competition Series, Forged Aluminum, 4.030 in. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11519-R1-8

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings

Part Number: DPP-30417-R1-8

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Pistons, Dish, Competition Series, Forged Aluminum, 4.125 in. Bore, -15.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11584-R1-8

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Pistons, Flat Top, Competition Series, Forged Aluminum, 4.030 in. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11512-R1-8

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Comp Series LS2 FT 4.005B/4.000S/6.125R/

Part Number: DPP-11540-R1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Comp Series LS FT 3.905B/4.000S/6.125R/1

Part Number: DPP-11505-R1

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes .185W Pins and Gas Nitrided Rings

Part Number: DPP-53007-R1-8

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Comp Series LS9 DS 4.065B/3.622S/6.125R/

Part Number: DPP-11588-R1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Comp Series LS DS 4.125B/4.000S/6.125R/1

Part Number: DPP-11522-R1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Pistons, Dish, Competition Series, Forged Aluminum, 3.905 in. Bore, -8.60cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11503-R1-8

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-11515-R1-8

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Pontiac 400 FT 4.125B/1.630CD

Part Number: DPP-22100

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.600B/1.270CD

Part Number: DPP-23000

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.610B/1.270CD

Part Number: DPP-23002

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.625B/1.270CD

Part Number: DPP-23003

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.605B/1.215CD

Part Number: DPP-23005

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.610B/1.215CD

Part Number: DPP-23006

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.625B/1.215CD

Part Number: DPP-23007

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Estimated Ship Date: Mar 2, 2026 if ordered today

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BB Chevy Comp Series 18° 4.605B/1.065CD

Part Number: DPP-23009

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Comp Series LS FT 4.030B/3.622S/6.098R/1

Part Number: DPP-11510-R1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-11511-R1-8

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today