Shipping Estimate
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Brian Crower Dual Valve Spring/Retainer Kit B16A/B18CDesigned for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Use steel retainer for high mileage applications. Spring Pressure: BC1010 Seat: 1. 350" @ 80 lbs Open: 0. 900" @ 220 lbs Coil Bind: 0. 765" (no machine work required)Mandatory
Designed for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Use steel retainer for high mileage applications.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
4.3 ★★★★★
Based on 1354 reviews
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Product Reviews
★★★★★ 1
I wouldn’t call it a ribbed shirt if it’s almost see through
Size: Medium, Color: Black
Cheap thin looking fabric returned it
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Reviewed in the United States on February 13, 2026
★★★★★ 3
Runs large with gaping arm holes.
Size: Large, Color: White
This runs extra large and the arm holes are gaping. You can see your undergarments through the arm holes. I am hoping that the shirt shrinks in the wash.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
It soft and fits perfectly
Size: Large, Color: Black
Good love it
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Nice fit
Size: Medium, Color: Black
Its good i like it
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Buena calidad
Size: Medium, Color: Black
Buena calidad
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Reviewed in the United States on May 30, 2026