Filters
QA1 puts you in complete control with high performance suspension components and more for your circle track, drag racing, off-road, or street vehicle! Features like...
QA1 puts you in complete control with high performance suspension components and more for your circle track, drag racing, off-road, or street vehicle! Features like deflective disc valving, customizable compression and rebound, and lightweight aluminum construction have made QA1 shocks number one in the industry, and Summit Racing’s extensive selection makes it easy to get it all for your vehicle with the best prices anywhere! Pair them up with a set of custom-rate coil springs, heavy-duty Chromoly rod ends, and tubular chassis components for a one-of-a-kind suspension setup that you’ll only get from QA1!
QA1 puts you in complete control with high performance suspension components and more for your circle track, drag racing, off-road, or street vehicle! Features like deflective disc valving, customizable compression and rebound, and lightweight aluminum construction have made QA1 shocks number one in the industry, and Summit Racing’s extensive selection makes it easy to get it all for your vehicle with the best prices anywhere! Pair them up with a set of custom-rate coil springs, heavy-duty Chromoly rod ends, and tubular chassis components for a one-of-a-kind suspension setup that you’ll only get from QA1!
Featured Products
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DD501
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14.000 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-DS401
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-DD401
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Trailing Arms, Adjustable, Rear, Upper, Aluminum/Steel, Red Anodized, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-5248
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14.000 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-DS402
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.00 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DD511
Not Yet Reviewed
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DS501
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DS502
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 175-350 lbs./in. Rate, Kit
Part Number: QA1-DS501-12175V
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 19.500 in. Extended, 13.000 in. Collapsed, Each
Part Number: QA1-DD701
Not Yet Reviewed
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DD502
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Strut Rod, Dynamic Strut Bars, Adjustable, Aluminum Sleeve, Gold Anodized, Dodge, Plymouth, Pair
Part Number: QA1-52312
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DS511
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Trailing Arms, Adjustable, Rear, Upper, Aluminum/Steel, Red Anodized, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-5254
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 12.750 in. Extended, 9.500 in. Collapsed, Each
Part Number: QA1-DS303
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 15.000 in. Extended, 11.125 in. Collapsed, Each
Part Number: QA1-DS404
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Strut Rod, Dynamic, Adjustable, Aluminum, Gold Anodized, Direct Bolt-in, Dodge, Plymouth, Pair
Part Number: QA1-52311
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 12.750 in. Extended, 9.500 in. Collapsed, Each
Part Number: QA1-DS304
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Trailing Arms, Adjustable, Rear, Upper, Aluminum/Steel, Red Anodized, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-5247
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 15.000 in. Extended, 11.125 in. Collapsed, Each
Part Number: QA1-DD403
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 12.750 in. Extended, 9.500 in. Collapsed, Each
Part Number: QA1-DD303
Not Yet Reviewed
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 18.750 in. Extended, 12.625 in. Collapsed, Each
Part Number: QA1-DD601
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14.000 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-DD402
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Aluma Matic, Non-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14.375 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-ALN4855P
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 23.625 in. Extended, 15.000 in. Collapsed, Each
Part Number: QA1-DD901
Not Yet Reviewed
Estimated Ship Date: Monday 4/21/2025
Estimated Ship Date: Monday 4/21/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
