Powersports Valvetrain Kits

Spring Kit, Titainium Retainers, Dual Springs, .415 in. Intake, .415 in. Exhaust, Suzuki, Kit

Part Number: KPM-60-60280

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Valve Springs, Dual, Titanium Retainers, Lower Collars, Kawasaki, Kit

Part Number: KPM-40-4500

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Spring Kit, Titainium Retainers, Dual Springs, .415 in. Intake, .415 in. Exhaust, Kawasaki, Kit

Part Number: KPM-40-40550

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Valve Springs, Dual, Titanium Retainers, for use on Honda®, Kit

Part Number: KPM-30-30760

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Engine Kit, Harley-Davidson®, Knucklehead, 1936-'47

Part Number: KPM-20-22050

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, High Perf. OEM, 0.425" Lift, Kawasaki®, ZX-10R, 2004-2007

Part Number: KPM-40-40500

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, .380" Lift, Yamaha, Various 450's, 2003-'14 (Intake Only)

Part Number: KPM-80-80950

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, Steel Retainer, .465" Lift In/Ex, Suzuki, GSX 1300R Hayabusa, 1999-'14

Part Number: KPM-60-60900

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, .415" Lift, Suzuki, LT-R450, 2006-'09 (Intake Only)

Part Number: KPM-60-60850

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, 0.450" Lift, Polaris, RZR XP 1000 "TURBO KIT", 2014

Part Number: KPM-82-82350

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, .415" Lift, Suzuki, RM Z450, 2007 (Intake Only)

Part Number: KPM-60-61000

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, .415" Lift, Suzuki, RM-Z450, 2007

Part Number: KPM-60-60650

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Engine Kit, Harley-Davidson®, Panhead, 1948-'65

Part Number: KPM-20-22150

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Spring Kit, Titainium Retainers, Dual Springs, .415 in. Intake, .415 in. Exhaust, Kawasaki, Kit

Part Number: KPM-40-40300

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Valve Springs, Lightweight Racing, Dual, Titanium Retainers, for use on Honda®, Kit

Part Number: KPM-30-31600

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Spring Kit, Titainium Retainers, Dual Springs, .400 in. Intake, .400 in. Exhaust, Suzuki, Kit

Part Number: KPM-60-60700

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Spring Kit, Titainium Retainers, Dual Springs, .340 in. Intake, .340 in. Exhaust, Kawasaki, Kit

Part Number: KPM-40-40100

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Valve Springs, Dual, Titanium Retainers, Lower Collars, Suzuki, Kit

Part Number: KPM-60-60460

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Valve Springs, Dual, Titanium Retainers, Kawasaki, Kit

Part Number: KPM-40-40060

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Valve Springs, Single, Titanium Retainers, Lower Collars, Yamaha, Kit

Part Number: KPM-80-80500

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Estimated Ship Date: Nov 27, 2026 if ordered today

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