Best in 7 days
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- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 750 lbs/in Rate - 1973-1980 Pontiac Grand Amdon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1973 1980 Pontiac Grand Am to meet the demands required by today's high performance drag race and handling pro touring cars, QA1's multi patent pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve
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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.1 ★★★★★
Based on 2458 reviews
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Product Reviews
★★★★★ 5
Recomendado
Si utilizas un 4.6L Stoker es obligatorio utilizar en cada cambio de aceite.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Hard to find.
Good stuff. Hard to find. It should extend my engine life.
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Reviewed in the United States on April 2, 2026
★★★★★ 4
Great product
Quick delivery.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Use as directed, when needed, and you'll be good to go.
A must have if you have a need for a ZDDP additive. This won't fix your worn valve seats, leaking piston rings, seasonal depression or gout but it will improve the lubricating properties of a quality oil in a properly maintained motor for your longevity goals.
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Every oil change for bikes
I use this in my bike every oil change
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Reviewed in the United States on April 8, 2026
