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Manley performance products have been tearing up streets and tracks worldwide since 1966. Throughout the 1970s, legendary racers such as Don Garlits, Bill Jenkins, Joe...
Manley performance products have been tearing up streets and tracks worldwide since 1966. Throughout the 1970s, legendary racers such as Don Garlits, Bill Jenkins, Joe Mondello, and “Jungle Jim” Liberman equipped their vehicles with Manley components. Today, Manley manufactures crankshafts, connecting rods, pistons, pushrods, rocker arms, valve springs, lash caps, guideplates, and many other OEM and high performance components. Unleash your street/strip machine’s true power potential with time-tested components from Manley. Find thousands of Manley performance parts right here on SummitRacing.com!
Manley performance products have been tearing up streets and tracks worldwide since 1966. Throughout the 1970s, legendary racers such as Don Garlits, Bill Jenkins, Joe Mondello, and “Jungle Jim” Liberman equipped their vehicles with Manley components. Today, Manley manufactures crankshafts, connecting rods, pistons, pushrods, rocker arms, valve springs, lash caps, guideplates, and many other OEM and high performance components. Unleash your street/strip machine’s true power potential with time-tested components from Manley. Find thousands of Manley performance parts right here on SummitRacing.com!
SPRING-1.311 SINGLE HEMI
Part Number: MAN-221431-1
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221431-16
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Kit-SPRING-HEMI Drag Pak .650 LIFT
Part Number: MAN-221431X-1
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
SPRING-1.311 SINGLE HEMI Drag Pak
Part Number: MAN-221431X-16
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Valve Spring Retainers, Chromoly, 7 Degree Lock Style, 1.076 in. Beehive Spring, Fits 221431 Spring, Set of 16
Part Number: MAN-23612-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, Chromoly, 7 Degree Lock Style, 1.076 in. Beehive Spring, Fits 221431 Spring, Each
Part Number: MAN-23612-1
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Valve Spring Locators, SPRING LOCATOR-221431 SPRING
Part Number: MAN-42431-1
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
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