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DIAMOND Pistons





DIAMOND Pistons
DIAMOND Pistons

Since 1968, Diamond Racing has been producing the highest quality racing parts around.

From the early 70's Diamond has been concentrating on manufacturing forged pistons for the racing industry.

In the 70's, 80's and early 90's Diamond Racing was known for its championship winning engines and its custom forged racing pistons.

From the late 90's to current day Diamond has solely dedicated itself to manufacturing forged pistons. With this being said, Diamond has updated all of its machinery so we can offer our customers the state of the industry in machining.

Along with this, Diamond has also expanded its shelf stock inventory to include hundreds of stocking part numbers. Most of these parts can be shipped on the same day. Diamond is dedicated to customer service and has a strong commitment to quality.




BRAND- ITEM Model Price
DIAMOND Racing Pro-Select Ring Set [Bore Size 3.662 | Top Ring Axial 1.5mm | Top Ring Radial 0.150 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.155 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2018-2023 FORD 5.0L COYOTE) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.662 | Top Ring Axial 1.5mm | Top Ring Radial 0.150 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.155 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2018-2023 FORD 5.0L COYOTE)

09053662 $319.99  $303.99
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.670 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.164 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2013-2014 Mustang Shelby GT500) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.670 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.164 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2013-2014 Mustang Shelby GT500)

09523670 $319.99  $303.99
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.681 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.154 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2013-2014 Mustang Shelby GT500) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.681 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.154 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2013-2014 Mustang Shelby GT500)

09523681 $319.99  $303.99
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.682 | Top Ring Axial 1.5mm | Top Ring Radial 0.150 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.155 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2018-2023 FORD 5.0L COYOTE) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.682 | Top Ring Axial 1.5mm | Top Ring Radial 0.150 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.155 | 2nd Ring Type NAP | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (2018-2023 FORD 5.0L COYOTE)

09053682 $319.99  $303.99
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.700 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.2mm | 2nd Ring Radial 0.143 | 2nd Ring Type NAP | Oil Ring Axial 2.0mm | Oil Ring Radial 0.130 | Oil Ring Tension STD] (FORD 5.2L VOODOO) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.700 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.2mm | 2nd Ring Radial 0.143 | 2nd Ring Type NAP | Oil Ring Axial 2.0mm | Oil Ring Radial 0.130 | Oil Ring Tension STD] (FORD 5.2L VOODOO)

09513700 $319.99  $303.99
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.700 | Top Ring Axial 1.5mm | Top Ring Radial 0.150 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.152 | 2nd Ring Type RBT | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (FORD 4.6L MOD) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.700 | Top Ring Axial 1.5mm | Top Ring Radial 0.150 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.152 | 2nd Ring Type RBT | Oil Ring Axial 3.0mm | Oil Ring Radial 0.145 | Oil Ring Tension STD] (FORD 4.6L MOD)

09053700 $319.99  $303.99
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.760 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.140 | 2nd Ring Type RBT | Oil Ring Axial 3.0mm | Oil Ring Radial 0.150 | Oil Ring Tension STD] (NISSAN VQ37VHR 3.7L V6 & 2009-2024 Nissan GT-R) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.760 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.140 | 2nd Ring Type RBT | Oil Ring Axial 3.0mm | Oil Ring Radial 0.150 | Oil Ring Tension STD] (NISSAN VQ37VHR 3.7L V6 & 2009-2024 Nissan GT-R)

09503760 $245.99  $233.69
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.780 | Top Ring Axial 1.0mm | Top Ring Radial 0.138 | Top Ring Type GN | 2nd Ring Axial 1.2mm | 2nd Ring Radial 0.154 | 2nd Ring Type NAP | Oil Ring Axial 2.8mm | Oil Ring Radial 0.122 | Oil Ring Tension STD] (GM 5.3L EcoTec3 L83) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.780 | Top Ring Axial 1.0mm | Top Ring Radial 0.138 | Top Ring Type GN | 2nd Ring Axial 1.2mm | 2nd Ring Radial 0.154 | 2nd Ring Type NAP | Oil Ring Axial 2.8mm | Oil Ring Radial 0.122 | Oil Ring Tension STD] (GM 5.3L EcoTec3 L83)

09543780 $149.99  $142.49
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.780 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.140 | 2nd Ring Type RBT | Oil Ring Axial 3.0mm | Oil Ring Radial 0.150 | Oil Ring Tension STD] (NISSAN VQ37VHR 3.7L V6) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.780 | Top Ring Axial 1.2mm | Top Ring Radial 0.134 | Top Ring Type AP | 2nd Ring Axial 1.5mm | 2nd Ring Radial 0.140 | 2nd Ring Type RBT | Oil Ring Axial 3.0mm | Oil Ring Radial 0.150 | Oil Ring Tension STD] (NISSAN VQ37VHR 3.7L V6)

09503780 $245.99  $233.69
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DIAMOND Racing Pro-Select Ring Set [Bore Size 3.800 | Top Ring Axial 1.0mm | Top Ring Radial 0.138 | Top Ring Type GN | 2nd Ring Axial 1.2mm | 2nd Ring Radial 0.154 | 2nd Ring Type NAP | Oil Ring Axial 2.8mm | Oil Ring Radial 0.122 | Oil Ring Tension STD] (GM 5.3L EcoTec3 L83) DIAMOND Pistons

DIAMOND Racing Pro-Select Ring Set [Bore Size 3.800 | Top Ring Axial 1.0mm | Top Ring Radial 0.138 | Top Ring Type GN | 2nd Ring Axial 1.2mm | 2nd Ring Radial 0.154 | 2nd Ring Type NAP | Oil Ring Axial 2.8mm | Oil Ring Radial 0.122 | Oil Ring Tension STD] (GM 5.3L EcoTec3 L83)

09543800 $149.99  $142.49
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