Final Day! $20 Off $250 / $40 Off $500 / $80 Off $1000 - Use Promo Code: CYBER

Final Day! $20 Off $250 / $40 Off $500 /
$80 Off $1000 - Use Promo Code: CYBER

Summit Racing SpeedCard - learn how to get 15% back - Get Details!

Filters

  • In Stock
  • Piston Rings Included
  • Bore (in.)
  • Bore (mm)
  • Actual Engine Displacement
  • Piston Style
  • Piston Head Volume (cc)
  • Top Ring Thickness
  • Top Ring Material
  • Top Ring Facing Material
  • Second Ring Thickness
  • Price Range
  • Filter Options

Selected Filters

Availability

  • Filters

  • Piston Rings Included
  • Bore (in.)
  • Bore (mm)
  • Actual Engine Displacement
  • Piston Style
  • Piston Head Volume (cc)
  • Top Ring Thickness
  • Top Ring Material
  • Top Ring Facing Material
  • Second Ring Thickness
  • Price Range
  • Filter Options

BUICK Pistons

Showing In Stock Items. Show All 61 Items.

Individual Parts
Part Groups

Results 1 - 25 of 60

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6243-3830

Made in the USA D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6243-3830

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6243-3830

Piston Set, 350 Buick V8 K1-FX Series -15cc Buick Dish Top Piston Set. 3.830 bore

Part Number: DMS-K1-6243-3830

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6243-3840

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6243-3840

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6243-3840

Piston Set, 350 Buick V8 K3-FX Series -15cc Buick Dish Top Piston Set. 3.840 bore

Part Number: DMS-K3-6243-3840

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3800

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3800

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3800

Piston Set, 350 Buick V8 2-FX Series -15cc Buick Dish Top Piston Set. 3.800 bore

Part Number: DMS-2-6243-3800

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3810

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3810

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3810

Piston Set, 350 Buick V8 2-FX Series -15cc Buick Dish Top Piston Set. 3.810 bore

Part Number: DMS-2-6243-3810

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3820

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3820

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3820

Piston Set, 350 Buick V8 2-FX Series -15cc Buick Dish Top Piston Set. 3.820 bore

Part Number: DMS-2-6243-3820

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3830

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3830

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3830

Piston Set, 350 Buick V8 2-FX Series -15cc Buick Dish Top Piston Set. 3.830 bore

Part Number: DMS-2-6243-3830

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3840

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3840

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6243-3840

Piston Set, 350 Buick V8 2-FX Series -15cc Buick Dish Top Piston Set. 3.840 bore

Part Number: DMS-2-6243-3840

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3800

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3800

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3800

-29cc Dish Top Buick V8 350 Forged 2618

Part Number: DMS-2-6245-3800

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3810

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3810

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3810

-29cc Dish Top Buick V8 350 Forged 2618

Part Number: DMS-2-6245-3810

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3820

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3820

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3820

-29cc Dish Top Buick V8 350 Forged 2618

Part Number: DMS-2-6245-3820

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3830

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3830

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3830

-29cc Dish Top Buick V8 350 Forged 2618

Part Number: DMS-2-6245-3830

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3840

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3840

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6245-3840

-29cc Dish Top Buick V8 350 Forged 2618

Part Number: DMS-2-6245-3840

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3800

Made in the USA D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3800

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3800

Piston Set, 350 Buick V8 1-FX Series -15cc Buick Dish Top Piston Set. 3.800 bore

Part Number: DMS-1-6243-3800

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3810

Made in the USA D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3810

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3810

Piston Set, 350 Buick V8 1-FX Series -15cc Buick Dish Top Piston Set. 3.810 bore

Part Number: DMS-1-6243-3810

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3820

Made in the USA D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3820

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3820

Piston Set, 350 Buick V8 1-FX Series -15cc Buick Dish Top Piston Set. 3.820 bore

Part Number: DMS-1-6243-3820

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3830

Made in the USA D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3830

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3830

Piston Set, 350 Buick V8 1-FX Series -15cc Buick Dish Top Piston Set. 3.830 bore

Part Number: DMS-1-6243-3830

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3840

Made in the USA D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3840

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6243-3840

Piston Set, 350 Buick V8 1-FX Series -15cc Buick Dish Top Piston Set. 3.840 bore

Part Number: DMS-1-6243-3840

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3800

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3800

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3800

-29cc Dish Top Buick V8 350 Forged 4032

Part Number: DMS-1-6245-3800

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3810

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3810

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3810

-29cc Dish Top Buick V8 350 Forged 4032

Part Number: DMS-1-6245-3810

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3820

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3820

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3820

-29cc Dish Top Buick V8 350 Forged 4032

Part Number: DMS-1-6245-3820

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3830

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3830

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3830

-29cc Dish Top Buick V8 350 Forged 4032

Part Number: DMS-1-6245-3830

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3840

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3840

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6245-3840

-29cc Dish Top Buick V8 350 Forged 4032

Part Number: DMS-1-6245-3840

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3800

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3800

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3800

Piston Set, 350 Buick V8 3-FX Series -15cc Buick Dish Top Piston Set. 3.800 bore

Part Number: DMS-3-6243-3800

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3810

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3810

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3810

Piston Set, 350 Buick V8 3-FX Series -15cc Buick Dish Top Piston Set. 3.810 bore

Part Number: DMS-3-6243-3810

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3820

Made in the USA D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3820

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6243-3820

Piston Set, 350 Buick V8 3-FX Series -15cc Buick Dish Top Piston Set. 3.820 bore

Part Number: DMS-3-6243-3820

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify