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Black Diamond® Valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface buildup of .0002”.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThis “Black Diamond™ process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":42919378255977,"sku":"191-17003","price":31.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/0058\/files\/8179-5885c8347c0e8.jpg?v=1771405401"},{"product_id":"black-diamond-intake-valve-hd-evolution-87-99","title":"Black Diamond Intake Valve Hd Evolution 87 99","description":"\u003cp\u003eAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Black Diamond® Valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface buildup of .0002”.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThis “Black Diamond™ process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":42919378452585,"sku":"191-17001","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/0058\/files\/3575-5885c830ae993.jpg?v=1771405413"},{"product_id":"top-end-service-kit-ss-valve-conversion-w-springs","title":"Top End Service Kit Ss Valve Conversion W\/Springs","description":"\u003cp\u003eThese pistons have been designed to incorporate a domed piston deck, resulting in a high compression profile and offsetting any change in volume caused by valve dishes. While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDesigned specifically for the performance demands of popular racing MX Bikes and Quads\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePistons designed to maintain the stock compression after the effects of the dished stainless valves\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2618 Alloy Fully CNC Machined Piston with performance skirt coating\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBlack Diamond™ Stainless Steel conversion system significantly increases valve durability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLightweight Racing Spring Kit compatible with high performance cams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAll of the gaskets, rings, pins and seals required for a top end rebuild\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Piston, Rings, Clips and Pin\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Top End Gasket Kit by Cometic\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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Black Diamond™ Valves, Stock Head Dia.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. 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