SKU: BXIM-40200-G2
BLOX Racing Gen2 HyperTemp Plenum Spacer – 5/8in 2002-2006 Acura RSX Type-S 2006-2011 Honda Civic Si
The BLOX Racing Gen2 HyperTemp Plenum Spacer – 5/8in (BXIM-40200-G2) bolts between the intake manifold and cylinder head on K20 K24A2 engines. It fits 2002-2006 Acura RSX Type-S 2006-2011 Honda Civic Si plus compatible models. This spacer expands plenum volume while blocking engine heat for cooler denser intake air improved throttle response and added horsepower.
Key Features
- High-Temp Phenolic Material: Withstands 500°F prevents heat transfer from cylinder head to intake charge
- 5/8in Thickness: Adds 25% more plenum volume for better air storage and velocity
- O-Ring Seals: Provides airtight seal eliminates boost leaks on turbo setups
- Temp Reduction: Drops plenum temps up to 50°F for denser air more combustion efficiency
- CNC Precision: Direct fit for 02-04 RSX and 05+ Civic Si intake manifolds no modifications
Product Notes
- Pair with cold air intake for maximum gains
- Clean surfaces before install for best seal
- Protective foam packaging prevents damage
Installation Notes
- Professional installation recommended.
- Requires M6 x 70mm bolts longer than OEM
- Bolts to OEM or aftermarket K20 K24A2 manifolds
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Type-S |
| 2006-2011 | Honda | Civic | Si |
| 2004-2008 | Acura | TSX | Base |
Why Choose BLOX Racing?
- Motorsport tested since 2004 drag road racing
- CNC machined from premium USA materials
- Engineered for K-series reliability power
Frequently Asked Questions
- Q: Will this fit 2005-2006 RSX Type-S K20Z1 manifold?
A: Yes Gen2 design matches both 02-04 square and 05+ rectangular K20 intake manifolds - Q: What material blocks heat best?
A: High-temp phenolic resin isolates heat better than aluminum lowers IAT consistently - Q: Do I need new bolts or tune?
A: Use M6 x 70mm bolts tune optional but unlocks full 5-10whp gains
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: 6 x 6 x 2 inch box
- Weight: 0.65 lbs
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