Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Big Gun 02-03 Honda CRF 450R Rev BoxIf you are looking to swap out the stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.
If you are looking to swap out the stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2019 reviews
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Product Reviews
★★★★★ 5
Great Product
Size: 2-Pack
Great product, worked wonders!! I would definitely recommend to others to buy this product!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 1
Disappointed
Size: Single
It didn’t work as expected
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Reviewed in the United States on May 30, 2026
★★★★★ 1
Fake
Size: 2-Pack
No good just a lie
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Works great
Number of Items: 4, Style: SILZKAR7B11
Exactly what it is supposed to be ! Good service
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Perfect
Number of Items: 4, Style: SILZKAR7B11
Great Quality. Worked Perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025