Skunk2 Tuner Stage 4 Camshaft - D VTEC
Skunk2 Tuner Stage 4 Camshaft - D VTEC
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Emissions
California: Non-compliant parts may be used only on designated closed-course racing vehicles that are never registered for highway use.
Other: Please consult your local statutes and ordinances to ensure compliance with regional emissions standards.
Shipping & returns
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
Read the shipping policyReturns
Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
Read the full return policyReturn details & how to start
Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Skunk2 Racing's Tuner Stage 4 Camshaft is designed as a performance upgrade to highly modified vehicles running the D15/ D16 VTEC engines. The Stage 4 camshaft will outperform all other Skunk2 Tuner offerings from idle to redline with no loss in drivability. A great match for max effort NA and Turbo engine builds. Tuner Stage 4's require a simple valve spring and retainer upgrade due to the additional lift, duration and increased RPM range.
Our Tuner Stage 4's incorporate Skunk2 Racing's cutting-edge Fast Ramp and AMAX features, which are responsible for increasing overall performance, producing unmatched response from idle to redline. You can expect optimized mid-range and top-end horsepower/torque with peak power moved up the RPM band, producing a seamless VTEC crossover.
Fast Ramp - The same technology used in Formula One racing, where seat timing is reduced, which results in additional cylinder pressure and more torque but without compromising valve-train longevity.
AMAX - A Skunk2 design that simply maximizes the area under the lift curve but without compromising reliability or valve-train stability. Skunk2s profiles feature more duration than competitors at lifts above 1mm, resulting in greater efficiency and more power.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990 - 2000 | Honda | Civic | EX |
| 1997 - 2000 | Honda | Civic | EX-R |
| 1999 - 2000 | Honda | Civic | EX-R SIR |
| 1998 - 2000 | Honda | Civic | GX |
| 1996 - 2000 | Honda | Civic | HX |
| 1988 - 2000 | Honda | Civic | LX, DX |
| 1988 - 1991 | Honda | Civic | RT 4WD, Base |
| 1988 | Honda | Civic | SE |
| 1989 - 2000 | Honda | Civic | Si, CX |
| 1999 | Honda | Civic | Value Package |
| 1992 - 1995 | Honda | Civic | VX |
| 1988 - 1989 | Honda | Civic | Wagovan |
| 1993 - 1997 | Honda | Civic del Sol | S, Si |
| 1994 - 1997 | Honda | Civic del Sol | VTEC |
| 1989 - 1991 | Honda | CRX | Base |
| 1988 | Honda | CRX | DX |
| 1988 - 1991 | Honda | CRX | Si, HF |
