Mr. Gasket Coil Spring Boosters 4-Pack Twist-In Aluminum Inserts — 1 inch Lift, Reversible Bolt-Free

Mr. Gasket 1282 coil spring twist-in boosters are 1" aluminum inserts that increase spring height and improve weight transfer quickly and without permanent modification.

These twist-in coil spring boosters from Mr. Gasket are a reversible, bolt-free way to raise the effective preload of your vehicle's coil springs by one inch. Designed as vehicle-specific fitment items, the aluminum units thread into the coil and lock in place to stiffen the spring rate and reduce undesired squat during launches or heavy loading. They’re compact, corrosion-resistant, and meant for drivers who want an inexpensive, non-destructive way to alter ride characteristics.

How do these boosters change ride height and handling?

Installing the Mr. Gasket twist-ins effectively raises the static spring perch by about 1", which increases weight transfer to the rear under acceleration and reduces excessive squat. This changes spring preload and can firm up the initial response without replacing the springs. The result is a noticeable improvement in launch control and reduced bottoming during aggressive driving.

• Raises effective spring height by 1"
• Increases preload for quicker weight transfer
• Reduces rear squat and improves traction on launches

Are they simple to install and remove?

Yes — Mr. Gasket aluminum twist-in boosters thread into the coil turns and seat securely without cutting or welding. No special tools are required beyond common hand tools and basic suspension disassembly; the process is generally reversible and preserves the original springs. Removal restores the factory spring geometry without damage.

• Twist-in design for tool-friendly insertion
• Quick removal returns springs to stock condition
• Installation typically uses vehicle-specific guidance

Will these fit my car’s coil springs?

These boosters are sold by fitment and intended to match particular vehicle coil springs; confirm the Mr. Gasket part number and vehicle application before purchasing. They’re listed as 'vehicle specific' to ensure the correct inner diameter and thread engagement for secure seating. If unsure, check fitment charts or consult Mr. Gasket compatibility guides.

• Vehicle-specific fitment — verify part number
• Designed for coil springs that accept a 1" booster
• Compatibility avoids over-compression or loose seating

What are they made from and how durable are they?

Mr. Gasket 1282 boosters are machined from aluminum for a mix of light weight and corrosion resistance. The material and construction are intended for long service life under normal street and performance use, and the non-permanent installation avoids weakening the spring assembly. Proper seating and periodic inspection help maintain their performance over time.

• Machined aluminum resists rust and adds minimal weight
• Durable for street and occasional performance use
• Non-destructive installation protects original springs

Who is this for: These Mr. Gasket coil spring twist-in boosters suit enthusiasts and DIYers who want an affordable, reversible way to reduce rear squat, sharpen launch behavior, or fine-tune ride height without replacing springs or altering the suspension permanently. They’re ideal for vehicle owners who have verified fitment and want a straightforward upgrade that’s easy to install and remove.