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.

Top Ring, 4.035" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.035" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1059
Available to Backorder
Top Ring, 4.045" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.045" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1061
Available to Backorder
Top Ring, 4.065" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.065" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1063
Available to Backorder
Top Ring, 4.130" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.130" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1067
Available to Backorder
Top Ring, 4.160" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.160" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1073
Available to Backorder
Top Ring, 4.170" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.170" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1075
Available to Backorder
Top Ring, 4.375" Bore, .017 Dyke
Diamond Pistons

Top Ring, 4.375" Bore, .017 Dyke

413 SEK
SKU: DIA09-3010240
Available to Backorder
Top Ring, 4.470" Bore, .017 Dyke
Diamond Pistons

Top Ring, 4.470" Bore, .017 Dyke

401 SEK
SKU: DIA09-3010242
Available to Backorder
Top Ring, 4.500" Bore, .017 Dyke
Diamond Pistons

Top Ring, 4.500" Bore, .017 Dyke

401 SEK
SKU: DIA09-3010245
Available to Backorder
Top Ring, 4.375" Bore, 1/16 PVD
Diamond Pistons

Top Ring, 4.375" Bore, 1/16 PVD

279 SEK
SKU: DIA09-3011295
Available to Backorder
Top Ring, 4.470" Bore, 1/16 PVD
Diamond Pistons

Top Ring, 4.470" Bore, 1/16 PVD

279 SEK
SKU: DIA09-3011296
Available to Backorder
Top Ring, 4.500" Bore, 1/16 PVD
Diamond Pistons

Top Ring, 4.500" Bore, 1/16 PVD

401 SEK
SKU: DIA09-3011297
Available to Backorder
Top Ring, 4.565" Bore, 1/16 PVD
Diamond Pistons

Top Ring, 4.565" Bore, 1/16 PVD

304 SEK
SKU: DIA09-3011298
Available to Backorder
Top Ring, 4.470" Bore, .043 PVD
Diamond Pistons

Top Ring, 4.470" Bore, .043 PVD

279 SEK
SKU: DIA09-3011373
Available to Backorder
Top Ring, 4.500" Bore, .043 PVD
Diamond Pistons

Top Ring, 4.500" Bore, .043 PVD

279 SEK
SKU: DIA09-3011374
Available to Backorder
Top Ring, 4.565" Bore, .043 PVD
Diamond Pistons

Top Ring, 4.565" Bore, .043 PVD

279 SEK
SKU: DIA09-3011377
Available to Backorder
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