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

Roundwire .945 x .073 DIA015133

67 SEK
SKU: DIA015133
Available to Backorder
Diamond Pistons

Roundwire 1.031 x .073 DIA015135

67 SEK
SKU: DIA015135
Available to Backorder
Diamond Pistons

Roundwire 1.156 x .073 DIA015136

67 SEK
SKU: DIA015136
Available to Backorder
Diamond Pistons

Double Spirolox 1.360 x .050 DIA015137

67 SEK
SKU: DIA015137
Available to Backorder
Diamond Pistons

Double Spirolox 1.500 x .050 DIA015150

67 SEK
SKU: DIA015150
Available to Backorder
Diamond Pistons

Double Spirolox 1.562 x .062 DIA015156

67 SEK
SKU: DIA015156
Available to Backorder
Diamond Pistons

Double Spirolox 1.625 x .062 DIA015162

67 SEK
SKU: DIA015162
Available to Backorder
Diamond Pistons

Double Spirolox 1.750 x .062 DIA015175

67 SEK
SKU: DIA015175
Available to Backorder
Diamond Pistons

Double Spirolox 1.812 x .062 DIA015181

67 SEK
SKU: DIA015181
Available to Backorder
Diamond Pistons

Double Spirolox 1.875 x .062 DIA015187

67 SEK
SKU: DIA015187
Available to Backorder
Diamond Pistons

Double Spirolox 2.000 x .062 DIA015200

67 SEK
SKU: DIA015200
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.000-4.039 WALL .188 DIA019000000

144 SEK
SKU: DIA019000000
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.030-4.059 WALL .188 DIA019000030

144 SEK
SKU: DIA019000030
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.060-4.099 WALL .188 DIA019000060

144 SEK
SKU: DIA019000060
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.080-4.119 WALL .188 DIA019000080

144 SEK
SKU: DIA019000080
Available to Backorder
Diamond Pistons

SUPPORT RAILS 4.120-4.159 WALL .188 DIA019000120

144 SEK
SKU: DIA019000120
Available to Backorder