Pay in installments of $5.50 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
ARP 1/4 -20 X 3.500 in 12PT BLACK OXIDE Pack of 5 # 640-3500ARP 1 4 20 X 3. 500 in 12PT BLACK OXIDE Pack of 5 # 640 3500 Please call for assistance Thread Size: 1 4 20 in. Underhead Length (in): 3. 500 in. Fastener Head Style: 12 point Fastener Material: Chromoly Fastener Finish: Black oxide Fastener Yield Strength (psi): 170,000 psi Wrench Diameter: 5 16 in. Washers Included: Yes Quantity: Sold as a set of 5.
ARP 1/4 -20 X 3.500 in 12PT BLACK OXIDE Pack of 5 # 640-3500Please call for assistance
Thread Size:1/4-20 in.
Underhead Length (in):3.500 in.
Fastener Head Style:12-point
Fastener Material:Chromoly
Fastener Finish:Black oxide
Fastener Yield Strength (psi):170,000 psi
Wrench Diameter:5/16 in.
Washers Included:Yes
Quantity:Sold as a set of 5.
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
4.6 ★★★★★
Based on 11 reviews
Sort
Product Reviews
★★★★★ 5
Lawnmower sparkplug
Worked great, easy to install, fast replacement. And 2 for the price of one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 5
Perfect replacement part
Perfect replacement
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Quality Champion Brand plugs
Repeat customer. Quality Champion product worth the extra $
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Original OEM equipment
They seem to be the copper plug required for this engine. Runs great and as it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 5
Genuine Champion Spark plugs
Genuine Champion Spark plugs at a great price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025