Mast Premium Valve Spring & Titanium Retainer Kits

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  • Regular price $ 299.99
Shipping calculated at checkout.


Now you can get the same premium components we use on our Black Label USA manufactured cylinder heads.

Mast Motorsports prides itself on never cutting corners, only using premium materials and components. This complete kit comes with everything needed to retrofit and enhance your cylinder heads for up to increased valve lift & higher RPM

About our Kits:

• Manufactured in the USA
• Premium Chrome Silicon Vanadium Spring Wire
• Polished Isotropic Super Finishing & Cryo Treated
• Titanium 6AL4V Grade 5 titanium retainers
• Machined Chrome Moly Valve Locks
• Machined & Hardened and Black Oxide Precision Spring Seats
• Premium Valve Guide Seals
• Carefully Curated for all the RPM’s and Durability you require

AVAILABLE KITS BELOW- SELECT YOURS TODAY 

Part Number

Description

Retail $

VS-LSX-100130

0.680 Lift Polished Dual Valve Spring Kit - 8mm stem valve – 0.520 Guide spring seat – 160lbs @ 1.800 (395 #/in rate) Designed to reuse your stock locks. Does not include locks. 

$299.99

VS-LSX-100131

0.680 Lift Polished Dual Valve Spring Kit – Machined Billet Locks – 5/16 valve stem 0.575 Guide spring seat – 160lbs @ 1.800 (395 #/in rate)

$349.99

VS-LSX-100132

0.680 Lift Polished Dual Valve Spring Kit – Machined Billet Locks – 8mm valve stem 0.520 Guide spring seat – 160lbs @ 1.800 (395 #/in rate)

$349.99

VS-LSX-100133

0.725 Lift Dual Premium High RPM Valve Spring Kit – Billet Locks, Titanium Retainers, Hardened Seats – 165lbs @1.800 (440 #/in rate)

$475.00

 

VS-LSX-100134

0.750 Lift Dual Premium High RPM Valve Spring Kit – Billet Locks, Titanium Retainers, Hardened Seats – 170lbs @1.800 (510 #/in rate)

$499.00


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