Account Login
Gift Cards
Track Order
Help Center

JEGS Performance Valve Springs [1.435 in. Outer Diameter]


made in usa

Product Q&A
View Now
Click image to zoom
Performance Valve Springs [1.435 in. Outer Diameter]
SAVE $9.36
3 left in stock
Performance Valve Springs
  • 1.435 in. OD
  • 1.027 in. ID
  • 110 lbs. at 1.700 in. Seat Load
  • 300 lbs. at 1.150 in. Open Load
  • 1.100 in. Coil Bind Height
  • 339 lb. Rate
  • Includes Damper
  • Set of 16
  • Ships

    Items You May Also Consider

    555-21518 is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from Exact fit I am building a 427 chevy big block. Easy to find the correct parts.
    Date published: 2021-03-30
    • y_2024, m_5, d_29, h_3
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
    • cp_1, bvpage1
    • co_hasreviews, tv_2, tr_1
    • loc_en_US, sid_10001_10001_8186273, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Will these work on a 361 mopar with a 465 lift cam?

    Asked by: Chrisgags
    The Jegs 555-21518 spring is universal fit for hyd flat tappet cams. Machine work may be requires.
    Answered by: jshook
    Date published: 2024-04-19

    Will this work on ford 302 small block heads with oversized valves?

    Asked by: Huntsmann6675
    The Jegs 555-21518 spring will work on cylinder heads with 1.435 spring pocket.
    Answered by: jshook
    Date published: 2023-11-09

    will this spring work with comp cam cl12-212-2

    Asked by: Dwane
    The Jegs 555-21518 spring can be used with Comp CL12-212-2.
    Answered by: jshook
    Date published: 2023-10-20

    Will these work with a .531 lift roller cam in a Ford 5.0 with GT40 heads?

    Asked by: Billy
    The Jegs 555-21518 spring does not work with a roller cam.
    Answered by: jshook
    Date published: 2023-05-04
    • y_2024, m_5, d_29, h_3CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.42
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_4
    • loc_en_US, sid_10001_10001_8186273, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Items You Need

    Related Products

    Kit includes: 249-26918-16 Valve Springs, 249-774-16 Steel Retainers, 249-623-16 7° Valve Locks, 249-511-16 Valve Seals, And 249-4705-16 Spring SeatsSpecs. Chevy LS1/LS2/LS6.
    Complete Kit: Includes Retainers And 7° LocksFor Use With Original Equipment Cast Iron Heads OnlyDesigned for use with 350-2162 Performer Cam Open Pressure: 220 lbs @ .420" Seat Pressure: 90 lbsInstalled Height: 1.880" Big Block Chevy.
    Includes Spring Dampers 10 Degree Steel Valve Locks and 11/32 in. Chrome Moly Spring Retainers. 1.265 in. OD.

    Recently Viewed

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.