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Manley Performance Valve Spring and Retainer Kit (Subaru EJ20/EJ25) 26180 - Modern Automotive Performance


Manley Performance

Manley Performance Valve Spring and Retainer Kit

PART# MAN 26180
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Manley Performance Valve Spring and Retainer Kit: Subaru EJ20/EJ25

Manley Performance valve springs are specifically designed to withstand the rigors of today's aftermarket Sport Compact camshafts and properly control the valve train in these high revving Sport Compact engine applications. This means utilizing only the best, super clean chrome silicon high tensile strength steel alloy and performing classified heat treatment and shot peen processing to insure the ultimate fatigue life and limit load loss.

Manley titanium retainers are manufactured in the very best dual spindle CNC machines to exacting tolerances rendering a superior jewel-like finish. We use rugged and certified, heat treated aerospace grade titanium bar stock.

Retainer angles are held to within 6' (minutes) (this is a tenth of a degree) and installed heights are held to within .005"!

Titanium retainers are a must for your high RPM Sport Compact engine. Their lighter mass allows the tuner to turn higher engine speeds and still avoid dangerous valve float; without sacrificing reliability.

O.D./I.D.: 1.050"/.755"
Seat Pressure: 60 @ 1.420"
Open Pressure: 151 @ 1.050" 187 @ .895"
Stock/Max Lift: 370", .525"
Coil Bind: .845"
Rate (lbs./in.): 245

Springs Part #: 22180-16
Retainer Part #: 23180-16


Manley Performance Valve Spring and Retainer Kit: Subaru EJ20/EJ25

Manley Performance valve springs are specifically designed to withstand the rigors of today's aftermarket Sport Compact camshafts and properly control the valve train in these high revving Sport Compact engine applications. This means utilizing only the best, super clean chrome silicon high tensile strength steel alloy and performing classified heat treatment and shot peen processing to insure the ultimate fatigue life and limit load loss.

Manley titanium retainers are manufactured in the very best dual spindle CNC machines to exacting tolerances rendering a superior jewel-like finish. We use rugged and certified, heat treated aerospace grade titanium bar stock.

Retainer angles are held to within 6' (minutes) (this is a tenth of a degree) and installed heights are held to within .005"!

Titanium retainers are a must for your high RPM Sport Compact engine. Their lighter mass allows the tuner to turn higher engine speeds and still avoid dangerous valve float; without sacrificing reliability.

O.D./I.D.: 1.050"/.755"
Seat Pressure: 60 @ 1.420"
Open Pressure: 151 @ 1.050" 187 @ .895"
Stock/Max Lift: 370", .525"
Coil Bind: .845"
Rate (lbs./in.): 245

Springs Part #: 22180-16
Retainer Part #: 23180-16

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MAP Limited Lifetime Warranty

1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

For warranty evaluation please create a support ticket via this form Click Here For Customer Service.