Engines and Components› Pistons and Piston Rings
Manley Performance
VALVE-TI ALL PRO 1.600 .3110
SKU: M004 11991TB-1
Advanced — 4+ hours
Description
This valve has a diameter of 1.600 inches, a margin of .080, and a seat specification of .065 x 55 degrees. Its overall length is 5.950 inches, with a tip length of .300 inches including the insert. The part number is 11991TB-1.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Manley Performance |
| Part Number | M004 11991TB-1 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy