Progress Tech Sport-lowering springs will significantly improve vehicle appearance and handling capability. The lowering will improve appearance and lower the center of gravity. Sport-tuned spring rates will enhance vehicle handling capability and reduce the body roll while offering a fun and sporty ride quality. These spring kits are designed to work with OEM shocks, and will benefit from using high performance dampers such as Bilstein, Koni or Tokico. Our engineering staff has decades of experience in the design and tuning of performance suspension systems, including CART/Indy Cars, IMSA, SCCA, NASA, and SCORE competitors. Progress specifies only certified high-tensile SAE spring wire materials. Our coil springs are cold-wound on modern CNC coiling machines, then stress-relieved, pre-set and shot-peened for maximum durability. The springs are then powder-coated for an attractive and durable finish.

This Part Fits:

Year	Make	Model	Submodel
2005-2007	Chrysler	300	Base
2005-2010	Chrysler	300	C
2005-2010	Chrysler	300	C SRT8
2005-2010	Chrysler	300	Limited
2008-2009	Chrysler	300	LX
2010	Chrysler	300	S
2009	Chrysler	300	Signature Series
2005-2010	Chrysler	300	Touring
2016	Dodge	Challenger	392 Hemi Scat Pack Shaker
2017-2023	Dodge	Challenger	GT
2009-2023	Dodge	Challenger	R/T
2017-2019	Dodge	Challenger	R/T 392
2012	Dodge	Challenger	R/T Classic
2015-2016	Dodge	Challenger	R/T Plus
2016	Dodge	Challenger	R/T Plus Shaker
2016-2023	Dodge	Challenger	R/T Scat Pack
2021	Dodge	Challenger	R/T Scat Pack Shaker Widebody
2019-2023	Dodge	Challenger	R/T Scat Pack Widebody
2016	Dodge	Challenger	R/T Shaker
2014	Dodge	Challenger	Rallye Redline
2015	Dodge	Challenger	Scat Pack
2009-2011	Dodge	Challenger	SE
2015-2018	Dodge	Challenger	SRT 392
2018	Dodge	Challenger	SRT Demon
2023	Dodge	Challenger	SRT Demon 170
2015-2022	Dodge	Challenger	SRT Hellcat
2023	Dodge	Challenger	SRT Hellcat Jailbreak
2019-2022	Dodge	Challenger	SRT Hellcat Redeye
2023	Dodge	Challenger	SRT Hellcat Redeye Jailbreak
2019-2022	Dodge	Challenger	SRT Hellcat Redeye Widebody
2023	Dodge	Challenger	SRT Hellcat Redeye Widebody Jailbreak
2018-2022	Dodge	Challenger	SRT Hellcat Widebody
2023	Dodge	Challenger	SRT Hellcat Widebody Jailbreak
2022	Dodge	Challenger	SRT Jailbreak
2020-2023	Dodge	Challenger	SRT Super Stock
2009-2014	Dodge	Challenger	SRT8
2012-2023	Dodge	Challenger	SXT
2012,2015-2018	Dodge	Challenger	SXT Plus
2017-2018	Dodge	Challenger	T/A
2017-2018	Dodge	Challenger	T/A 392
2021	Dodge	Challenger	T/A 392 Widebody
2006-2007	Dodge	Charger	Base
2006	Dodge	Charger	Daytona R/T
2006-2010	Dodge	Charger	Pursuit
2006-2010	Dodge	Charger	R/T
2006-2010	Dodge	Charger	SE
2006-2010	Dodge	Charger	SRT8
2006-2010	Dodge	Charger	SXT
2005-2008	Dodge	Magnum	R/T
2005-2008	Dodge	Magnum	SE
2006-2008	Dodge	Magnum	SRT8
2005-2008	Dodge	Magnum	SXT
2005	Dodge	Magnum	SXT Special Edition

RS-R 2025 Toyota GR Corolla Down Sus Springs

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