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

SUPPORT RAILS 4.840-4.880 WALL .188 (. DIA019045840

144 SEK
SKU: DIA019045840
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.880-4.920 WALL .188 (. DIA019045880

144 SEK
SKU: DIA019045880
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.920-4.960 WALL .188 (. DIA019045920

144 SEK
SKU: DIA019045920
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.960-5.000 WALL .188 (. DIA019045960

144 SEK
SKU: DIA019045960
Available to Backorder
Diamond Pistons

SUPPORT RAILS 5.080-5.120 WALL .225 (.0 DIA019245080

144 SEK
SKU: DIA019245080
Available to Backorder
Diamond Pistons

SUPPORT RAILS 5.220-5.250 WALL .225 (.0 DIA019245220

144 SEK
SKU: DIA019245220
Available to Backorder
Diamond Pistons

Total Seal - Assembly Lube DIA03-1300

424 SEK
SKU: DIA03-1300
Available to Backorder
Chamber Mold Kit DIA03-2000
Diamond Pistons

Chamber Mold Kit DIA03-2000

1 228 SEK
SKU: DIA03-2000
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.032" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.032" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH07700
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.051" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.051" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH07750
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.071" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.071" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH07800
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.090" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.090" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH07850
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.110" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.110" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH07900
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.129" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.129" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH07950
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.150" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.150" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08000
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.169" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.169" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH08050
Available to Backorder
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