Availability
Diamond Pistons Competition Series Pistons
1 Customer Reviews
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)
Showing In Stock Items. Show All 493 Items.
Not Showing Customizable Items. View Customizable Items.
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Dish, Competition Series, Forged Aluminum, 4.030 in. Bore, -15.00cc Head Volume, Chevy, LS, Set of 8
Part Number: DPP-11521-R1-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Comp Series LS2 FT 4.005B/4.000S/6.125R/
Part Number: DPP-11540-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes .185W Pins and Gas Nitrided Rings
Part Number: DPP-53007-R1-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Dish, Competition Series, Forged Aluminum, 4.030 in. Bore, -15.00cc Head Volume, Chevy, LS, Set of 8
Part Number: DPP-11517-R1-8
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Comp Series LS9 DS 4.065B/3.622S/6.125R/
Part Number: DPP-11588-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Comp Series LS FT 3.905B/4.000S/6.125R/1
Part Number: DPP-11505-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Comp Series LS DS 4.125B/4.000S/6.125R/1
Part Number: DPP-11522-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Comp Series LT1/LT4 4.070B/1.115CD
Part Number: DPP-11587-R2
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings
Part Number: DPP-30437-R1-8
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings
Part Number: DPP-30442-R1-8
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Comp Series LS FT 3.780B/3.622S/6.125R/1
Part Number: DPP-11593-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Comp Series LS7 DS 4.130B/4.000S/6.125R/
Part Number: DPP-11596-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Comp Series LS FT 3.800B/3.622S/6.098R/1
Part Number: DPP-11598-R1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
SBC Comp Series FT 4.155B/1.125CD
Part Number: DPP-10219
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Competition Series - 900HP Rated - 2618 Material - Inboard Forging - Coated Skirts - Includes Pins and Rings
Part Number: DPP-10219-8
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Competition Series - 900HP Rated - 2618 Material - Inboard Forging - Coated Skirts - Includes Pins and Rings
Part Number: DPP-10226-8
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Pontiac 400 FT 4.125B/1.630CD
Part Number: DPP-22100
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
BB Chevy Comp Series 18° 4.600B/1.270CD
Part Number: DPP-23000
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
BB Chevy Comp Series 18° 4.610B/1.270CD
Part Number: DPP-23002
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
BB Chevy Comp Series 18° 4.625B/1.270CD
Part Number: DPP-23003
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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