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QA1\'s double adjustable shocks have 324 valving options, with 18 positions of compression adjustment and 18 positions of rebound adjustment. There are no jumps when adjusting between any two clicks. Each adjustment has been carefully defined to provide the ideal force curve to maximize performance.
Independent Compression and Rebound Adjustment. Coil-Over. Lightweight Aluminum. Ride Height Adjustable. Spring Mounting Hardware Included. 100% Dyno Tested and Serialized. Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers. American Made. Precision Machined Aluminum. Piston with PTFE. Centerless Ground, Hard Chrome Plated, Solid Piston Rod. Three Step Sealing System. QA1 DD402 Proma Star Coil-Over Shock, 14.000/10.125 Ext/Comp Sku # 721DD402 Mfr. Part # DD402 Condition New Brand QA1 Sold Each Details
QA1\'s double adjustable shocks have 324 valving options, with 18 positions of compression adjustment and 18 positions of rebound adjustment. There are no jumps when adjusting between any two clicks. Each adjustment has been carefully defined to provide the ideal force curve to maximize performance.
- Independent Compression and Rebound Aluminum
- Ride Height Adjustable
- Spring Mounting Hardware Included
- 100% Dyno Tested and Serialized
- Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
- American Made
- Precision Machined Aluminum
- Piston with PTFE
- Centerless Ground, Hard Chrome Plated, Solid Piston Rod
- Three Step Sealing System
Specs Position Rear Mounted Length 12" Shock Adjustability Double Adjustable Shock Type Twin Tube Shock Body Material Aluminum Shock Stroke 4.00 Upper Shock Mount Eyelet Lower Shock Mount Eyelet Compressed Length Range 10.00" to 10.99" Compressed Length 10.13" Extended Length Range 14.00" to 14.99" Extended Length 14" Height Adjustable Yes Spring Diameter 2.5" Spring Length 9 - 10 Inch Number of Valving Selections 324 Finish Anodized Mounted Length Range 11 1/2" - 12 1/2" Coilover Springs Included No Bushing Material Polyurethane Body Diameter 2.00" Adjustable Yes Gas Charged No Color Black MFG. Part # DD402 GTIN Code 806990059741 Tech Support We\'re here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
