SSI Ford 6.0L 6.4L Powerstroke 32V 2003-2010 +20lb Valve Springs

• FITMENT: Ford Super Duty with the 6.0L or 6.4L Powerstroke diesel engine (32-valve), model years 2003-2010 ? confirm your engine displacement (6.0L vs 6.4L) before ordering, as spring specs are shared across both but head hardware differs.
• PART: +20 lb high-performance valve springs ? upgraded spring rate over stock for higher-RPM performance operation and reduced valve float risk.
• MATERIAL: Chrome silicon spring wire, rated for continuous high-load valvetrain service.
• SET: Sold as a complete set of 32 ? full valvetrain coverage for the 32-valve Powerstroke cylinder heads (both banks).
• INSTALL: Direct replacement for the factory valve springs ? standard valve-spring compressor and cylinder head removal/service procedure applies; no machining required.

Street Sport Industries +20 lb high-performance valve springs for the Ford Super Duty 6.0L/6.4L Powerstroke diesel engine (32-valve), model years 2003-2010. Upgraded spring rate over stock for higher-RPM performance operation and reduced valve float risk. Chrome silicon spring wire construction for continuous high-load valvetrain duty. Sold as a complete set of 32 ? full coverage across both cylinder heads. Direct replacement for the factory valve springs; standard valve-spring compressor and head-service procedure applies, no machining required. Confirm your exact engine displacement (6.0L vs 6.4L) before ordering.