{"product_id":"skunk2-racing-alpha-series-honda-d-series-vtec-valve-spring-set-part-number-311-05-1345","title":"Skunk2 Racing Alpha Series Honda D Series VTEC Valve Spring Set Part Number 311-05-1345","description":"Manufactured exclusively from super-clean, chrome-silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda's D-series VTEC engines are a product of the company's years of racing and engine building experiences. Alpha Valve Springs are able to prevent valve float and maintain valvetrain stability at engine speeds in excess of 10,000 rpm. Skunk2 designs, develops, and tests its entire valvetrain lineup in-house to ensure superior quality and maximum performance gains. During development, each valvetrain component is tested both on the dyno and the road, including 11,000 rpm drag racing engines and 17,000 rpm superbikes. Manufactured from the best materials available, Skunk2 valvetrain components provide exceptional performance, reliability, and quality and remain standard-issue on each Skunk2 vehicle that we build and support.\nAlpha Series Valve Spring Set; Seat Pressure 165 Lbs At 1.500 in.; Open Pressure 585 lbs.; Set of 16;\n\u003cul\u003e\n  \u003cli\u003ePrevents Valve Float\/Maintain Valvetrain Stability +10000rpm\u003c\/li\u003e\n  \u003cli\u003eManufactured From Super-Clean Chrome-Silicone Wire\u003c\/li\u003e\n  \u003cli\u003eOpen Pressure 158 lbs.\u003c\/li\u003e\n  \u003cli\u003eSeat Pressure 62 lbs.\u003c\/li\u003e\n  \u003cli\u003eSet of 16\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Honda D-series VTEC engine with the Skunk2 Racing Alpha Series Valve Spring Set, engineered for performance and reliability. Crafted from super-clean chrome-silicone wire milled in Japan, these valve springs are designed to prevent valve float and maintain valvetrain stability at engine speeds exceeding 10,000 rpm. Each spring is tested extensively on dynos and real-world conditions, including high-rev drag racing and superbike scenarios, ensuring durability and optimal performance. The Alpha Series springs feature a seat pressure of 165 pounds at 1.500 inches and open pressure of 585 pounds, providing a precise balance of control and power for high-performance applications. This set of 16 springs is an ideal upgrade for enthusiasts seeking to push their Honda D-series engines beyond stock limits while maintaining engine longevity and consistent operation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePrevents valve float and maintains valvetrain stability at engine speeds over 10,000 rpm\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured from high-quality, super-clean chrome-silicone wire for durability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOpen pressure of 585 pounds provides aggressive valve control during high RPM operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSeat pressure of 165 pounds ensures reliable valve seating under demanding conditions\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSet of 16 springs designed specifically for Honda D-series VTEC engines for comprehensive upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1986 Acura Integra LS\u003cbr\u003e\n1986 Acura Integra RS\u003cbr\u003e\n1987 Acura Integra LS\u003cbr\u003e\n1987 Acura Integra LS Special Edition\u003cbr\u003e\n1987 Acura Integra RS\u003cbr\u003e\n1987 Honda Wagovan DX\u003cbr\u003e\n1988 Acura Integra LS\u003cbr\u003e\n1988 Acura Integra LS Special Edition\u003cbr\u003e\n1988 Acura Integra RS\u003cbr\u003e\n1988 Honda Civic DX\u003cbr\u003e\n1988 Honda Civic LX\u003cbr\u003e\n1988 Honda Civic RT 4WD\u003cbr\u003e\n1988 Honda CRX DX\u003cbr\u003e\n1988 Honda CRX Si\u003cbr\u003e\n1989 Acura Integra LS\u003cbr\u003e\n1989 Acura Integra RS\u003cbr\u003e\n1989 Honda Civic DX\u003cbr\u003e\n1989 Honda Civic LX\u003cbr\u003e\n1989 Honda Civic RT 4WD\u003cbr\u003e\n1989 Honda Civic Si\u003cbr\u003e\n1989 Honda CRX Base\u003cbr\u003e\n1989 Honda CRX Si\u003cbr\u003e\n1990 Honda Civic DX\u003cbr\u003e\n1990 Honda Civic EX\u003cbr\u003e\n1990 Honda Civic LX\u003cbr\u003e\n1990 Honda Civic RT 4WD\u003cbr\u003e\n1990 Honda Civic Si\u003cbr\u003e\n1990 Honda CRX Base\u003cbr\u003e\n1990 Honda CRX HF\u003cbr\u003e\n1990 Honda CRX Si\u003cbr\u003e\n1991 Honda Civic DX\u003cbr\u003e\n1991 Honda Civic EX\u003cbr\u003e\n1991 Honda Civic LX\u003cbr\u003e\n1991 Honda Civic RT 4WD\u003cbr\u003e\n1991 Honda Civic Si\u003cbr\u003e\n1991 Honda CRX Base\u003cbr\u003e\n1991 Honda CRX HF\u003cbr\u003e\n1991 Honda CRX Si\u003cbr\u003e\n1992 Honda Civic CX\u003cbr\u003e\n1992 Honda Civic DX\u003cbr\u003e\n1992 Honda Civic EX\u003cbr\u003e\n1992 Honda Civic LX\u003cbr\u003e\n1992 Honda Civic Si\u003cbr\u003e\n1992 Honda Civic VX\u003cbr\u003e\n1993 Honda Civic CX\u003cbr\u003e\n1993 Honda Civic DX\u003cbr\u003e\n1993 Honda Civic EX\u003cbr\u003e\n1993 Honda Civic LX\u003cbr\u003e\n1993 Honda Civic Si\u003cbr\u003e\n1993 Honda Civic VX\u003cbr\u003e\n1993 Honda Civic del Sol S\u003cbr\u003e\n1993 Honda Civic del Sol Si\u003cbr\u003e\n1994 Honda Civic CX\u003cbr\u003e\n1994 Honda Civic DX\u003cbr\u003e\n1994 Honda Civic EX\u003cbr\u003e\n1994 Honda Civic LX\u003cbr\u003e\n1994 Honda Civic Si\u003cbr\u003e\n1994 Honda Civic VX\u003cbr\u003e\n1994 Honda Civic del Sol S\u003cbr\u003e\n1994 Honda Civic del Sol Si\u003cbr\u003e\n1995 Honda Civic CX\u003cbr\u003e\n1995 Honda Civic DX\u003cbr\u003e\n1995 Honda Civic EX\u003cbr\u003e\n1995 Honda Civic LX\u003cbr\u003e\n1995 Honda Civic Si\u003cbr\u003e\n1995 Honda Civic VX\u003cbr\u003e\n1995 Honda Civic del Sol S\u003cbr\u003e\n1995 Honda Civic del Sol Si\u003cbr\u003e\n1996 Honda Civic CX\u003cbr\u003e\n1996 Honda Civic DX\u003cbr\u003e\n1996 Honda Civic EX\u003cbr\u003e\n1996 Honda Civic LX\u003cbr\u003e\n1996 Honda Civic del Sol S\u003cbr\u003e\n1996 Honda Civic del Sol Si\u003cbr\u003e\n1997 Honda Civic CX\u003cbr\u003e\n1997 Honda Civic DX\u003cbr\u003e\n1997 Honda Civic EX\u003cbr\u003e\n1997 Honda Civic LX\u003cbr\u003e\n1997 Honda Civic del Sol S\u003cbr\u003e\n1997 Honda Civic del Sol Si\u003cbr\u003e\n1998 Honda Civic CX\u003cbr\u003e\n1998 Honda Civic DX\u003cbr\u003e\n1998 Honda Civic EX\u003cbr\u003e\n1998 Honda Civic LX\u003cbr\u003e\n1999 Honda Civic CX\u003cbr\u003e\n1999 Honda Civic DX\u003cbr\u003e\n1999 Honda Civic EX\u003cbr\u003e\n1999 Honda Civic LX\u003cbr\u003e\n1999 Honda Civic Value Package\u003cbr\u003e\n2000 Honda Civic CX\u003cbr\u003e\n2000 Honda Civic DX\u003cbr\u003e\n2000 Honda Civic EX\u003cbr\u003e\n2000 Honda Civic LX\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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