View our Specials! Coupon Code: SaveIn2026
Koni Suspension Sale
X
Vehicle Set: Click here to shop 1999 Nissan Frontier parts.

11447T-8 Manley Performance Exhaust Valve Kits

Manley Performance Exhaust Valve Kits 11447T-8
Image(s) for display purposes only. Actual product may vary.

Share on Social MediaShare 11447T-8 Manley Performance Exhaust Valve Kits on FacebookShare 11447T-8 Manley Performance Exhaust Valve Kits on TwitterShare 11447T-8 Manley Performance Exhaust Valve Kits on Pintrest
Part Number: 11447T-8
UPC: 807298232447
MSRP: $1,385.46
Rating: No Rating 0 Reviews
$1,366.42

Free Shipping (Continental US) Free Shipping
New with manufacturer warranty
Availability: IN STOCK (2) - LOW
SHIPS FROM MANUFACTURER
(Last checked: 07/08/2026)

Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

Have a Question?

Description:

Fitment:

Years Make Model Trim
Sorry we do not have fitment information available for this part number. Contact us for any fitment questions.

View other Applications of Manley Performance Exhaust Valve Kits

Product Reviews:


Warning WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov

Other Valves:

IN STOCK - LOW
Ferrea F0373
Ferrea Powersports Comp Exh Valve - Sets
Ferrea 11-12 Polaris RZR XP900 32.5mm Head 5.47mm Stem Dia Competition Exhaust Valve - Set of 4
$137.94
Manley Performance Exhaust Valve Kits F1452P
IN STOCK
Ferrea F1452P
Ferrea Comp Plus Int Valve - Sets
Ferrea Mitsubishi 4G63/4G63T 35mm 6.57mm 109.7mm 20 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 8
$256.26
Manley Performance Exhaust Valve Kits F1148PQ
IN STOCK - LOW
Ferrea F1148PQ
Ferrea 5000 Series Exh Valve-Sets
Ferrea Chevy SB 1.6in 11/32 5.060in 14 Deg S-Flo +.150 Competition Plus Exhaust Valve - Set of 8
$269.90 CLEARANCE
VIEW PRICE IN CART
IN STOCK - LOW
Ferrea F2459P
Ferrea Comp Plus Int Valve - Sets
Ferrea Toyota G16E-GTS 32.8mm Head 5.47mm Stem Dia Competition Plus Intake Valve - Set of 6
$197.15
IN STOCK
Supertech VWEVI-1002S-10
Supertech Exhaust Valves
Supertech Audi/VW 2.0T FSI 16V Inconel Exhaust Valve - Set of 10
$396.89
IN STOCK - LOW
Supertech NIVN-1070-12
Supertech Intake Valves
Supertech Nissan VR30DDTT 333.5x5.47x101mm Black Nitrided Intake Valve - Set of 12
$346.13 CLEARANCE
VIEW PRICE IN CART
Manley Performance Exhaust Valve Kits BC3101
IN STOCK - LOW
Brian Crower BC3101
Brian Crower Exhaust Valve Sets
Brian Crower Mitsubishi 4G63 Eclipse/Evo 30.5mm Exhaust Valves
$197.00
IN STOCK - LOW
Supertech MAEVI-2301D-8
Supertech Exhaust Valves
Supertech Mazda/Ford Duratec 2.0L/2.3L Inconel Exhaust Valve - Set of 8
$311.90

For more information on Manley Performance part number 11447T-8, you can visit the official Manley Performance website.