Vehicle Fitment

• Fits Honda/Acura vehicles with K‑Series DOHC i‑VTEC engines: K20A, K20A2, K20Z1, K20Z3, K24A, K24A1, K24A2, K24A3 (verify specific engine code before install)
• Common compatible vehicles include:
• 2002–2006 Acura RSX (all trims)
• 2004–2008 Acura TSX
• 2002–2011 Honda Civic Si
• 2003–2007 Honda Accord 2.4L
• 2002–2006 Honda CR‑V 2.4L
• 2003–2011 Honda Element 2.4L
• Confirm engine code and valve train configuration before purchase

Features

• High‑performance dual valve spring kit designed for Honda/Acura K‑Series engines
• Engineered to support increased valve lift and RPM without valve float
• Wound from super clean chrome silicon alloy for strength and durability
• Designed for both naturally aspirated and forced‑induction applications
• Helps counteract spring surge during high RPM operation
• Improves reliability under performance camshaft lifts and aggressive tuning
• Recommended for high compression setups and aftermarket retainers
• Direct swap — no machining required in most applications

Specifications

• Part number: BXPT‑10301
• Type: Dual wound valve spring set
• Material: Chrome silicon performance alloy
• Quantity: 16 springs per set (full engine replacement)
• Engine compatibility: Honda/Acura K‑Series 2.0L/2.4L (i‑VTEC)
• Installation: Press‑fit with retainers (not included)
• Designed for street, performance, and light race use
• Valve float resistance: Enhanced compared to OEM springs

Included Components

• 16x Dual valve springs

Product Description

The BLOX Racing BXPT‑10301 dual valve spring set is a high‑performance upgrade engineered for Honda and Acura K‑Series engines, including popular 2.0L and 2.4L i‑VTEC powerplants. These springs are wound from a durable chrome silicon alloy to provide increased resistance to valve float and spring surge under high RPM and aggressive tuning conditions. Ideal for builds with aftermarket camshafts, higher compression ratios, or forced induction, these valve springs help maintain valve control and engine reliability throughout the powerband. :contentReference[oaicite:0]{index=0}

Designed as a direct replacement for stock valve springs, the BXPT‑10301 set suits a variety of Honda/Acura platforms such as the RSX, TSX, Civic Si, Accord 2.4L, CR‑V, and Element when equipped with compatible K‑Series engines. Installation is straightforward with no machining required in most cases, though professional install is recommended for best results. For maximum performance, use these springs with compatible high compression valves and titanium retainers. :contentReference[oaicite:1]{index=1}