Collection: Pistons
Pistons are essential components of an engine's combustion system. They are cylindrical-shaped metal pieces that move up & down inside the engine's cylinders. Pistons play a critical role in the engine's power generation process. When fuel & air are ignited in the combustion chamber, the resulting high-pressure gases push the piston downward, converting the energy into rotational motion through the engine's crankshaft. Pistons must be durable & capable of withstanding high temperatures, pressures, & repetitive motions. They are commonly made of aluminum alloy for its lightweight & heat-conducting properties. Pistons often have specific designs & features to optimize combustion efficiency & reduce emissions, such as valve reliefs, skirt coatings, & oil cooling galleries. Pistons must fit precisely within the cylinder bore to maintain proper compression & prevent any gas leakage. Regular inspection & maintenance of pistons are important to check for signs of wear, damage, or piston ring degradation, as worn or damaged pistons can lead to reduced engine performance, excessive oil consumption, or even engine failure. Upgrading to performance pistons can enhance engine performance, especially in high-performance applications. Proper lubrication & cooling are crucial for the optimal performance & longevity of pistons, as they rely on a consistent supply of clean engine oil & effective cooling systems to dissipate heat & reduce friction.
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Diamond Racing Products Buick 3.8L 231 3.840 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; H13 Upgraded Kit 21403-6-H
Part # DIAMOND-21403-6-HVendor:DIAMOND RACING PRODUCTSRegular price $1,277.51 USDRegular price$1,414.26 USDSale price $1,277.51 USDSale -
Diamond Racing Products Buick 3.8L 231 3.840 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; Std Kit 21403-6
Part # DIAMOND-21403-6Vendor:DIAMOND RACING PRODUCTSRegular price $1,175.51 USDRegular price$1,302.06 USDSale price $1,175.51 USDSale -
Diamond Racing Products Buick 3.8L 231 3.830 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; H13 Upgraded Kit 21402-6-H
Part # DIAMOND-21402-6-HVendor:DIAMOND RACING PRODUCTSRegular price $1,277.51 USDRegular price$1,414.26 USDSale price $1,277.51 USDSale -
Diamond Racing Products Buick 3.8L 231 3.830 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; Std Kit 21402-6
Part # DIAMOND-21402-6Vendor:DIAMOND RACING PRODUCTSRegular price $1,175.51 USDRegular price$1,302.06 USDSale price $1,175.51 USDSale -
Diamond Racing Products Buick 3.8L 231 3.820 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; H13 Upgraded Kit 21401-6-H
Part # DIAMOND-21401-6-HVendor:DIAMOND RACING PRODUCTSRegular price $1,277.51 USDRegular price$1,414.26 USDSale price $1,277.51 USDSale -
Diamond Racing Products Buick 3.8L 231 3.820 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; Std Kit 21401-6
Part # DIAMOND-21401-6Vendor:DIAMOND RACING PRODUCTSRegular price $1,175.51 USDRegular price$1,302.06 USDSale price $1,175.51 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.625 Bore x 4.250 Stroke x 6.385 Rod x 1.270 Comp Height; Std Kit 21019-8
Part # DIAMOND-21019-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.610 Bore x 4.250 Stroke x 6.385 Rod x 1.270 Comp Height; Std Kit 21018-8
Part # DIAMOND-21018-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,617.22 USDRegular price$1,787.94 USDSale price $1,617.22 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.605 Bore x 4.250 Stroke x 6.385 Rod x 1.270 Comp Height; Std Kit 21017-8
Part # DIAMOND-21017-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.600 Bore x 4.250 Stroke x 6.385 Rod x 1.270 Comp Height; Std Kit 21016-8
Part # DIAMOND-21016-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.625 Bore x 4.750 Stroke x 6.700 Rod x 1.120 Comp Height; Std Kit 21015-R1-8
Part # DIAMOND-21015-R1-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.610 Bore x 4.750 Stroke x 6.700 Rod x 1.120 Comp Height; Std Kit 21014-R1-8
Part # DIAMOND-21014-R1-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,617.22 USDRegular price$1,787.94 USDSale price $1,617.22 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.605 Bore x 4.750 Stroke x 6.700 Rod x 1.120 Comp Height; Std Kit 21013-R1-8
Part # DIAMOND-21013-R1-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.600 Bore x 4.750 Stroke x 6.700 Rod x 1.120 Comp Height; Std Kit 21012-R1-8
Part # DIAMOND-21012-R1-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.625 Bore x 4.500 Stroke x 6.385 Rod x 1.155 Comp Height; Std Kit 21011-8
Part # DIAMOND-21011-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.605 Bore x 4.500 Stroke x 6.385 Rod x 1.155 Comp Height; Std Kit 21009-8
Part # DIAMOND-21009-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.600 Bore x 4.500 Stroke x 6.385 Rod x 1.155 Comp Height; Std Kit 21008-8
Part # DIAMOND-21008-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.625 Bore x 4.375 Stroke x 6.535 Rod x 1.065 Comp Height; Std Kit 21007-8
Part # DIAMOND-21007-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.610 Bore x 4.375 Stroke x 6.535 Rod x 1.065 Comp Height; Std Kit 21006-8
Part # DIAMOND-21006-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,617.22 USDRegular price$1,787.94 USDSale price $1,617.22 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.605 Bore x 4.375 Stroke x 6.535 Rod x 1.065 Comp Height; Std Kit 21005-8
Part # DIAMOND-21005-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.600 Bore x 4.375 Stroke x 6.535 Rod x 1.065 Comp Height; Std Kit 21004-8
Part # DIAMOND-21004-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.625 Bore x 4.375 Stroke x 6.385 Rod x 1.215 Comp Height; Std Kit 21003-8
Part # DIAMOND-21003-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.610 Bore x 4.375 Stroke x 6.385 Rod x 1.215 Comp Height; Std Kit 21002-8
Part # DIAMOND-21002-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,617.22 USDRegular price$1,787.94 USDSale price $1,617.22 USDSale -
Diamond Racing Products Chevrolet 454 20deg 4.605 Bore x 4.375 Stroke x 6.385 Rod x 1.215 Comp Height; Std Kit 21001-8
Part # DIAMOND-21001-8Vendor:DIAMOND RACING PRODUCTSRegular price $1,645.77 USDRegular price$1,819.35 USDSale price $1,645.77 USDSale