Collection: Diamond

Diamond Racing Pistons is one of the leading manufacturers of high performance forged pistons used in professional racing and high horsepower engine builds. Known for precision machining and advanced piston design, Diamond pistons are trusted by engine builders and racing teams worldwide.

Diamond specializes in premium forged pistons engineered to handle extreme cylinder pressure, high RPM and demanding performance applications. Their pistons are designed to deliver strength, durability and precise fitment for modern performance engines.

Popular applications include forged pistons for LS engines, Small Block Chevy and Big Block Chevy builds, as well as custom piston designs for specialized engine combinations.

Whether you are building a high horsepower street engine, a boosted setup or a dedicated race engine, Diamond Racing Pistons provide the strength and reliability required for serious performance applications.

Diamond Pistons

CH SB DM 4.145B/4.000S/6.000R/1.000CD N/ DIA11937

2 289 SEK
SKU: DIA11937
Available to Backorder
Diamond Pistons

350/400 23° 4.145B/1.000CD/Kit DIA11937-8

20 439 SEK
SKU: DIA11937-8
Available to Backorder
Diamond Pistons

350/400 23° 4.145B/1.000CD/Kit DIA11937-8-H

22 085 SEK
SKU: DIA11937-8-H
Available to Backorder
Diamond Pistons

CH SB DM 4.155B/4.000S/6.000R/1.000CD DIA11938

2 289 SEK
SKU: DIA11938
Available to Backorder
Diamond Pistons

350/400 23° 4.155B/1.000CD/Kit DIA11938-8

20 439 SEK
SKU: DIA11938-8
Available to Backorder
Diamond Pistons

350/400 23° 4.155B/1.000CD/Kit DIA11938-8-H

22 085 SEK
SKU: DIA11938-8-H
Available to Backorder
Diamond Pistons

CH SB DM 4.165B/4.000S/6.000R/1.000CD DIA11939

2 289 SEK
SKU: DIA11939
Available to Backorder
Diamond Pistons

350/400 23° 4.165B/1.000CD/Kit DIA11939-8

20 439 SEK
SKU: DIA11939-8
Available to Backorder
Diamond Pistons

350/400 23° 4.165B/1.000CD/Kit DIA11939-8-H

22 085 SEK
SKU: DIA11939-8-H
Available to Backorder
Diamond Pistons

CH SB ASCS/USMTS DM 4.125B/3.335S/6.000R DIA11940

2 289 SEK
SKU: DIA11940
Available to Backorder
Diamond Pistons

350/400 23° 4.125B/1.335CD/Kit DIA11940-8

20 439 SEK
SKU: DIA11940-8
Available to Backorder
Diamond Pistons

350/400 23° 4.125B/1.335CD/Kit DIA11940-8-H

22 085 SEK
SKU: DIA11940-8-H
Available to Backorder
Diamond Pistons

CH SB ASCS/USMTS DM 4.130B/3.335S/6.000R DIA11941

2 289 SEK
SKU: DIA11941
Available to Backorder
Diamond Pistons

350/400 23° 4.130B/1.335CD/Kit DIA11941-8

20 439 SEK
SKU: DIA11941-8
Available to Backorder
Diamond Pistons

350/400 23° 4.130B/1.335CD/Kit DIA11941-8-H

22 085 SEK
SKU: DIA11941-8-H
Available to Backorder
Diamond Pistons

CH SB ASCS/USMTS DM 4.135B/3.335S/6.000R DIA11942

2 289 SEK
SKU: DIA11942
Available to Backorder