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Coil-Over Conversion Kit Components

Coil-Over Conversion Kit Components

Coil-Over Conversion Kit Components

Complete your suspension upgrade with high-quality components for coil-over conversion kits. From sleeves to hardware, these parts are essential for customizing your setup. Check out our conversion kit components to perfect your coil-over installation.

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  • spacer coupling 2.36in id spacer60

    Spacer Coupling 2.36in ID SPACER60

    EIBACH

    $30.00
    Precision clutch engagement starts with proper spring control, and this spacer coupling ensures consistent takeup pressure across all RPM ranges. Whether you're tuning a street machine or dialing in a dedicated race car, maintaining exact spring preload...
    EIBSPACER60
    SKU:
    EIBSPACER60
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    $30.00
    Qty in Cart: 0
    Quantity:
    Price:
    $30.00
    Subtotal:
  • Swift Stack Guide Adapter - Long

    Swift Stack Guide Adapter - Long

    SWIFT SPRINGS

    $89.00
    A quality spring guide adapter is essential for maintaining consistent valve train geometry and preventing spring coil binding during high-RPM operation. The Swift Stack Guide Adapter—Long keeps your 2.500" ID springs properly centered, reducing...
    SWI-SP250L
    SKU:
    SWI-SP250L
    Availability:
    Will be special ordered for you
    Weight:
    1.00 LBS
    $89.00
    Qty in Cart: 0
    Quantity:
    Price:
    $89.00
    Subtotal:
  • AFCO Stack Guide

    AFCO Stack Guide

    SWIFT SPRINGS

    $115.00
    A properly functioning coil-over suspension demands precision at every point of contact. The AFCO Stack Guide keeps your spring centered and stable on the shock tube, preventing binding and ensuring consistent spring rates throughout your suspension...
    SWISST-AF
    SKU:
    SWISST-AF
    Availability:
    Usually ships within 24 hours
    Weight:
    1.00 LBS
    For:
    AFCO
    $115.00
    Qty in Cart: 0
    Quantity:
    Price:
    $115.00
    Subtotal:
  • Integra Stack Guide

    Integra Stack Guide

    SWIFT SPRINGS

    $115.00
    A quality stack guide is essential for maintaining consistent spring preload and preventing lateral movement during high-stress suspension cycles. Whether you're running a dedicated track setup or pushing your Integra to its limits, this guide ensures...
    SWISST-I
    SKU:
    SWISST-I
    Availability:
    Usually ships within 24 hours
    Weight:
    1.00 LBS
    For:
    Integra
    $115.00
    Qty in Cart: 0
    Quantity:
    Price:
    $115.00
    Subtotal:
  • Penske Stack Guide

    Penske Stack Guide

    SWIFT SPRINGS

    $115.00
    A properly guided coil-over spring maintains consistent compression and prevents lateral binding during suspension articulation—critical for consistent handling and shock longevity. The Penske Stack Guide centers your spring concentrically over the...
    SWISST-P
    SKU:
    SWISST-P
    Availability:
    Usually ships within 24 hours
    Weight:
    1.00 LBS
    For:
    Penske
    $115.00
    Qty in Cart: 0
    Quantity:
    Price:
    $115.00
    Subtotal:
  • Slider Short Stack Guide Model SWISP250-S

    Slider Short Stack Guide Model SP250-S

    SWIFT SPRINGS

    $68.00
    Precision slider short stack guides are essential for maintaining consistent clutch engagement and preventing spring migration during high-RPM shifts. The SP250-S delivers reliable spring positioning with minimal stack height, making it ideal for tight...
    SWISP250-S
    SKU:
    SWISP250-S
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $68.00
    Subtotal:
  • Slider Long Stack Guide Model SWISP250-L

    Slider Long Stack Guide Model SP250-L

    SWIFT SPRINGS

    $68.00
    Consistent spring pressure is critical for reliable clutch engagement, and the Slider Long Stack Guide SP250-L eliminates the guesswork. This aluminum spring guide maintains precise takeup geometry, ensuring your clutch modulates smoothly through the...
    SWISP250-L
    SKU:
    SWISP250-L
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $68.00
    Qty in Cart: 0
    Quantity:
    Price:
    $68.00
    Subtotal:
  • Spring Seat 2.5in Coil - Over Steep Angle Blk QA19018-113

    QA1 Spring Seat 2.5in Coil - Over Steep Angle Blk 9018-113

    QA1

    $26.95
    If you're running QA1 coil-over shocks on a steep-angle chassis setup, this spring seat is critical for maintaining consistent spring preload and suspension geometry. A properly seated spring eliminates bind, reduces noise, and ensures your suspension...
    QA19018-113
    SKU:
    QA19018-113
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • 2.5in C/O Adjusting Nut  ALL64180

    Allstar Performance 2.5in C/O Adjusting Nut ALL64180

    ALLSTAR PERFORMANCE

    $16.79
    Fine-tuning your coil-over suspension requires precise ride height adjustment, and this Allstar adjusting nut delivers the repeatability you need for consistent setup across track sessions. Whether you're dialing in spring preload or making mid-season...
    ALL64180
    SKU:
    ALL64180
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    $16.79
    Qty in Cart: 0
    Quantity:
    Price:
    $16.79
    Subtotal:
  • C/O Slotted Top JRI  ALL64178

    Allstar Performance C/O Slotted Top JRI ALL64178

    ALLSTAR PERFORMANCE

    $16.99
    Proper suspension geometry depends on precision coil-over components that maintain consistent spring rates and ride height under load. This Allstar Performance slotted top spring seat delivers the direct bolt-on compatibility JRI shock users need,...
    ALL64178
    SKU:
    ALL64178
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • C/O Slotted Top Fox  ALL64177

    Allstar Performance C/O Slotted Top Fox ALL64177

    ALLSTAR PERFORMANCE

    $16.99
    Precision suspension tuning demands a coil-over top hat that won't compromise your setup. This Allstar Performance slotted design allows seamless spring adjustments without breaking down your Fox shock assembly, saving you time between rounds and giving...
    ALL64177
    SKU:
    ALL64177
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • C/O Slotted Top Pro  ALL64175

    Allstar Performance C/O Slotted Top Pro ALL64175

    ALLSTAR PERFORMANCE

    $18.49
    Precision suspension tuning demands a coil-over setup you can trust, and this Allstar Performance top seat delivers the adjustability serious racers need without compromise. The drilled aluminum construction keeps weight minimal while the black anodized...
    ALL64175
    SKU:
    ALL64175
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    $18.49
    Qty in Cart: 0
    Quantity:
    Price:
    $18.49
    Subtotal:
  • C/O Slotted Top Penske  ALL64174

    Allstar Performance C/O Slotted Top Penske ALL64174

    ALLSTAR PERFORMANCE

    $20.99
    If you're running Penske coil-over shocks, proper spring seating is non-negotiable for consistent suspension geometry and predictable handling. This slotted top seat design gives you repeatable adjustability and secure spring retention under high-load...
    ALL64174
    SKU:
    ALL64174
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    $20.99
    Qty in Cart: 0
    Quantity:
    Price:
    $20.99
    Subtotal:
  • C/O Slotted Top Koni  ALL64173

    Allstar Performance C/O Slotted Top Koni ALL64173

    ALLSTAR PERFORMANCE

    $19.99
    If you're running Koni shocks on your race car or performance build, a quality coil-over spring seat is essential for maintaining consistent suspension geometry and adjustability. This Allstar Performance slotted top seat gives you the precision mounting...
    ALL64173
    SKU:
    ALL64173
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    $19.99
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • C/O Slotted Top QA1/Carrera ALL64172

    Allstar Performance C/O Slotted Top QA1/Carrera ALL64172

    ALLSTAR PERFORMANCE

    $17.69
    If you're running QA1 or Carrera coil-over shocks, this slotted top spring seat is essential for dialing in your suspension geometry with precision. The drilled aluminum construction reduces unsprung weight while the black anodized finish resists...
    ALL64172
    SKU:
    ALL64172
    Availability:
    Ships Same Business Day
    Weight:
    0.28 LBS
    $17.69
    Qty in Cart: 0
    Quantity:
    Price:
    $17.69
    Subtotal:
  • C/O Slotted Top Bilstein  ALL64171

    Allstar Performance C/O Slotted Top Bilstein ALL64171

    ALLSTAR PERFORMANCE

    $21.99
    A properly seated coil-over spring is critical to maintaining consistent suspension geometry and predictable handling characteristics on the track or strip. The Allstar Performance C/O Slotted Top works seamlessly with Bilstein shocks to ensure your...
    ALL64171
    SKU:
    ALL64171
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    $21.99
    Subtotal:
  • C/O Slotted Top Afco/ Monroe ALL64170

    Allstar Performance C/O Slotted Top Afco/ Monroe ALL64170

    ALLSTAR PERFORMANCE

    $19.49
    If you're running AFCO or Monroe shocks on your race car, this coil-over spring seat delivers the precision fitment and adjustability your suspension setup demands. The drilled, black anodized aluminum construction keeps weight minimal while maintaining...
    ALL64170
    SKU:
    ALL64170
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    $19.49
    Qty in Cart: 0
    Quantity:
    Price:
    $19.49
    Subtotal:
  • Alum C/O Sleeve 7in JRI  ALL64169

    Allstar Performance Alum C/O Sleeve 7in JRI ALL64169

    ALLSTAR PERFORMANCE

    $25.99
    If you're running JRI coil-over shocks, you need a properly sized sleeve to ensure smooth suspension travel and protect your shock body from debris and impact. This 7-inch aluminum sleeve threads directly onto your JRI shock, providing the precision fit...
    ALL64169
    SKU:
    ALL64169
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • Alum C/O Sleeve 7in QA1  ALL64167

    Allstar Performance Alum C/O Sleeve 7in QA1 ALL64167

    ALLSTAR PERFORMANCE

    $21.99
    If you're running QA1 coil-over shocks, this aluminum sleeve is essential for maintaining consistent ride height and spring preload without the hassle of constant adjustments. The 7-inch threaded design provides fine-tuned control over suspension...
    ALL64167
    SKU:
    ALL64167
    Availability:
    Ships Same Business Day
    Weight:
    0.47 LBS
    $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    $21.99
    Subtotal:
  • Alum C/O Sleeve 7in Carrera/Pro ALL64165

    Allstar Performance Alum C/O Sleeve 7in Carrera/Pro ALL64165

    ALLSTAR PERFORMANCE

    $23.99
    If you're running Carrera or Pro shocks on your race car, proper coil-over sleeve fitment is essential for consistent suspension geometry and ride height adjustment. This Allstar Performance aluminum sleeve delivers the precision engineering needed to...
    ALL64165
    SKU:
    ALL64165
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
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Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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