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.

Piston Ring Set, 1 Cylinder, 3.445" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.445" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08750
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.464" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.464" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08800
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.484" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.484" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08850
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.504" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.504" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08900
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.523" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.523" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08950
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.543" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.543" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09000
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.562" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.562" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09050
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.583" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.583" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09100
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.602" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.602" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09150
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.622" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.622" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09200
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.631" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.631" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09225
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.641" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.641" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09250
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.652" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.652" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09275
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.661" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.661" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09300
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.681" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.681" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09350
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.700" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.700" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09400
Available to Backorder
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