Upgrading the Twisted Wedge Cylinder heads on your Mustang's 289, 302 or 351W engine with this Twisted Wedge Cylinder Head Valve Spring Upgrade Kit (TFS-2500200) from CJ Pony Parts!
Features and Benefits:
- Fits 289/302/351W Twisted Wedge Cylinder Heads
- Increased Valvetrain Stability
- Dual Valve Springs
- Proudly Manufactured in the USA!
- Complete Kit
- Ideal for High Performance Cam Installation
This Twisted Wedge Cylinder Head Valve Spring Upgrade Kit made by Trick Flow comes with everything you'll need to install a high-performance cam! This includes valve springs with dampers, Chromoly retainers, valve seals, locks, spring shims, and a spring height gauge. The durable, one-groove steel locks feature a ten-degree lock style, and the springs have a 452 lbs./in. spring rate. This kit (TFS-2500200) is proudly made in the USA!
- Number of Springs Per Valve: Dual
- Valve Spring Style: Standard
- Valve Stem Diameter (in): 0.341 in.
- Valve Stem Diameter (mm): 8.66mm
- Retainers Included: Yes
- Retainer Material: Steel
- Locks Included: Yes
- Lock Style: 10 degree
- Lock Groove Quantity: 1-groove
- Lock Material: Steel
- Outside Diameter of Outer Spring (in): 1.460 in.
- Coil Bind Height (in): 1.013 in.
- Damper Spring Included: No
- Spring Rate (lbs/in): 452 lbs./in.
- Inside Diameter of Outer Spring (in): 1.090 in.
- Inside Diameter of Inner Spring (in): 0.730 in.
- Valve Springs Coated: No
- Valve Stem Seals Included: Yes
- Valve Guide Diameter (in): 0.500 in.
- 289, 302, and 351W Mustangs