The Texas Speed Mopar .625" Lift Valve Spring Kit, part number MPR-57HVSK-625, gives 2009 and newer 5.7L Hemi engines the spring control needed for a performance camshaft while staying with OEM-quality parts. It is built around sixteen genuine Mopar 68277306AA valve springs and supports camshafts up to .625" valve lift, which makes it a lower-cost spring upgrade for street, naturally aspirated and mild boosted 5.7L Hemi builds.
Sixteen .015" valve spring shims are included so installed height and seat pressure can be adjusted during setup. Texas Speed advises checking installed height, coil bind, retainer, lock and valve seal clearance before final assembly, since the maximum usable lift depends on the retainers, locks, valves and installed height in the engine. Professional installation is recommended.
Specifications
- Application: 2009 and newer 5.7L Gen III Hemi
- Valve springs: Genuine Mopar 68277306AA, set of 16
- Shims: .015" valve spring shims, set of 16
- Maximum camshaft lift supported: .625" (varies with retainer, lock, valve and installed height)
- Intended use per Texas Speed: Street performance, naturally aspirated and mild boosted 5.7L Hemi
- Fitment per Texas Speed: 2009+ Ram 1500, Charger, Challenger, Chrysler 300, Durango and other 2009+ Gen III 5.7L Hemi applications
- Installation: Professional installation recommended; verify installed height and all clearances before final assembly
Note: Designed specifically for 5.7L Hemi applications. Always verify installed height, coil bind clearance, retainer clearance, lock clearance and valve seal clearance before final assembly.
Vehicle Applications
Engine family covered: 2009 and newer Gen III 5.7L Hemi. Vehicle list reflects Texas Speed's published fitment for this spring kit; 5.7L Hemi engines only.
Chrysler 300
- 2009 Chrysler 300
- 2010 Chrysler 300
- 2011 Chrysler 300
- 2012 Chrysler 300
- 2013 Chrysler 300
- 2014 Chrysler 300
- 2015 Chrysler 300
- 2016 Chrysler 300
- 2017 Chrysler 300
- 2018 Chrysler 300
- 2019 Chrysler 300
- 2020 Chrysler 300
- 2021 Chrysler 300
Dodge Challenger
- 2009 Dodge Challenger
- 2010 Dodge Challenger
- 2011 Dodge Challenger
- 2012 Dodge Challenger
- 2013 Dodge Challenger
- 2014 Dodge Challenger
- 2015 Dodge Challenger
- 2016 Dodge Challenger
- 2017 Dodge Challenger
- 2018 Dodge Challenger
- 2019 Dodge Challenger
- 2020 Dodge Challenger
- 2021 Dodge Challenger
- 2022 Dodge Challenger
- 2023 Dodge Challenger
Dodge Charger
- 2009 Dodge Charger
- 2010 Dodge Charger
- 2011 Dodge Charger
- 2012 Dodge Charger
- 2013 Dodge Charger
- 2014 Dodge Charger
- 2015 Dodge Charger
- 2016 Dodge Charger
- 2017 Dodge Charger
- 2018 Dodge Charger
- 2019 Dodge Charger
- 2020 Dodge Charger
- 2021 Dodge Charger
- 2022 Dodge Charger
- 2023 Dodge Charger
Jeep Commander
- 2009 Jeep Commander
- 2010 Jeep Commander
Dodge Durango
- 2009 Dodge Durango
- 2011 Dodge Durango
- 2012 Dodge Durango
- 2013 Dodge Durango
- 2014 Dodge Durango
- 2015 Dodge Durango
- 2016 Dodge Durango
- 2017 Dodge Durango
- 2018 Dodge Durango
- 2019 Dodge Durango
- 2020 Dodge Durango
- 2021 Dodge Durango
- 2022 Dodge Durango
- 2023 Dodge Durango
- 2024 Dodge Durango
Jeep Grand Cherokee
- 2009 Jeep Grand Cherokee
- 2010 Jeep Grand Cherokee
- 2011 Jeep Grand Cherokee
- 2012 Jeep Grand Cherokee
- 2013 Jeep Grand Cherokee
- 2014 Jeep Grand Cherokee
- 2015 Jeep Grand Cherokee
- 2016 Jeep Grand Cherokee
- 2017 Jeep Grand Cherokee
- 2018 Jeep Grand Cherokee
- 2019 Jeep Grand Cherokee
- 2020 Jeep Grand Cherokee
- 2021 Jeep Grand Cherokee
Dodge Ram
- 2009 Dodge Ram
- 2010 Dodge Ram
Dodge Ram 2500
- 2009 Dodge Ram 2500
- 2010 Dodge Ram 2500
Dodge Ram 3500
- 2009 Dodge Ram 3500
- 2010 Dodge Ram 3500
Vehicle applications reflect the fitment published by Texas Speed & Performance for this part number. Confirm your engine and cylinder head configuration before ordering.
FAQ
What engines does the Texas Speed Mopar .625" lift valve spring kit fit?
It is designed for 2009 and newer 5.7L Gen III Hemi engines, including the Ram 1500, Dodge Charger, Challenger, Durango and Chrysler 300, as well as other 2009+ 5.7L Hemi applications listed by Texas Speed.
What is included in the MPR-57HVSK-625 spring kit?
The kit includes sixteen genuine Mopar 68277306AA valve springs and sixteen .015" valve spring shims, enough for all sixteen valves on a 5.7L Hemi. Retainers and locks are not included.
How much camshaft lift can these Mopar springs handle?
Texas Speed rates the kit for camshafts up to .625" valve lift. The actual maximum depends on the retainers, locks, valves and installed height used, so clearances should be checked during assembly.
Are these aftermarket or factory Mopar valve springs?
They are genuine Mopar 68277306AA valve springs, which is why Texas Speed describes the kit as an OEM-quality, cost-effective spring upgrade for performance cam swaps on the 5.7L Hemi.
Why are shims included with the valve spring kit?
The .015" shims let the installer fine-tune installed height and spring pressure during setup, which matters when a new camshaft changes the lift the springs have to control.
