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    AV&V™ High Performance Valve Spring Kits  (5/16 valves)

    High Performance Valve Spring kits – Double

    • Manufactured from ultra clean high silicon/vanadium Kobe alloy wire.
    • 1.375” Top retainers for better clearance inside rocker covers.
    • Available with chromoly(S) or titanium(T) retainers.
    Part Number Kit Part Number Max. Recommended Lift Seat Pressure Open Pressure (lbs@mm) Coil Bing Height O.D. I.D. TYPE Retainer Lower Collar Valves Locks
    VSK600SS600-4 .600" 155lbs @ 1.885" 405 lbs @ 1.260" 1.080" 1.460" 0.790" Double springs R311CS (4) LSC600 (4) VL311A (8)
    VSK600TS600-4 .600" 155lbs @ 1.885" 405 lbs @ 1.260" 1.080" 1.460" 0.790" Double springs R311CT (4) LSC600 (4) VL311A (8)
    VSK650SS650-4 .650" 185lbs @ 1.860" 460 lbs @ 1.160" 1.080" 1.460" 0.790" Double springs R311CS (4) LSC600 (4) VL311A (8)
    VSK650TS650-4 .650" 185lbs @ 1.860" 460 lbs @ 1.160" 1.080" 1.460" 0.790" Double springs R311CT (4) LSC600 (4) VL311A (8)
    VSK675TS675-4 .675" 185lbs @ 1.860" 460 lbs @ 1.160" 1.080" 1.460" 0.790" Double springs R311CT (4) LSC600 (4) VL311A (8)

    High Performance Valve Spring kits – Beehive

    • Manufactured from ultra-clean high-silicon Kobe alloy wire, then nano-peened and polished, they are 100% load-sorted to exceed our customers’ expectations.
    • CNC machined Extreme Duty 9 deg. locks.
    • Ultralite Chromoly forged retainers.
    Part Number Kit Part Number Max. Recommended Lift Seat Pressure Open Pressure (lbs@mm) Coil Bing Height O.D. I.D. TYPE Retainer Lower Collar Valves Locks
    VSK6000S6000-4 .600" 165lbs @ 1.860" 384 lbs @ 1.250" 1.200" Beehive springs R6000 (4) LSC6000 (4) VL300C (8)
    VSK6500S6500-4 .650" 178lbs @ 1.860" 385 lbs @ 1.200" 1.150" Beehive springs R6500 (4) LSC6500 (4) VL300C (8)

    NOTE

    S6000 springs – Small end ID: .650”, OD: 1.085” / Large end ID: 1.000”, OD: 1.445”
    S6500 springs – Small end ID: .740”, OD: 1.185” / Large end ID: 1.055”, OD: 1.500″

    Retainers

    Part number Alloy Traitement Angle Part Number Kit
    R311CS-4 4140 Chromoly steel Black Oxyde 10° VSK600S - VSK650S
    R311CT-4 Titanium 10° VSK600T - VSK650T - VSK675T
    R6000-4 4140 Chromoly steel Black Oxyde VSK6000
    R6500-4 4140 Chromoly steel Black Oxyde VSK6500

     

    Lower Collars

    Part number Thickness O.D. I.D. Alloy Part Number kit
    LSC600-4 .040" 1.418" .562" Heat treat steel VSK600S - VSK600T - VSK650S - VSK650T - VSK675T
    LSC6000-4 .050" 1.425" .565" Heat treat steel VSK6000
    LSC6500-4 .040" 1.485" .565" Heat treat steel VSK6500

     

    Valve Locks

    Part number Stem Groove Usage Tapper Part Number Kit
    VL311A-8 5/16" Double spring Jumbo 10° VSK600S - VSK650S - VSK600T - VSK650T - VSK675T
    VL311C-8 5/16" Double spring VSK6000 - VSK6500

    AV&V™ High Performance Beehive Valve Spring Kits  (7MM valves)

    (Fit both single or triple groove valves)

    High Performance Valve Spring kits – Beehive

    Part Number Kit Number Kit Max. Recommended Lift Seat Pressure Open Pressure (lbs@mm) Coil Bing Height O.D. I.D. TYPE Retainer Lower Collar Valves Locks
    VSK6500S6500-4 .650" 178lbs @ 1.860" 385 lbs @ 1.200" 1.150" --- --- Beehive springs R6500-4 (4) LSC6500-4 (4) VL311C-8 (8)
    VSK60007SGS6000-4 .600" 165lbs @ 1.860" 384 lbs @ 1.250" 1.200" --- --- Beehive springs R60007SG-4 (4) LSC6000-4 (4) VL7MMSG (8)
    VSK65007SGS6500-4 .650" 178lbs @ 1.860" 385 lbs @ 1.200" 1.150" --- --- Beehive springs R6500-4 (4) LSC6500-4 (4) VL7MMSGC-8 (8)

    For VSK60007SG:

    • Manufactured from ultra-clean high-silicon Kobe alloy wire, then nano-peened and polished, they are 100% load-sorted to exceed our customers’ expectations.
    • CNC machined Extreme Duty 7 deg. locks.
    • Ultralite Chromoly forged retainers.

    NOTE

    S6000 springs – Small end ID: .650”, OD: 1.085” / Large end ID: 1.000”, OD: 1.445”

    For VSK65007SG:

    • Manufactured from ultra-clean high-silicon Kobe alloy wire, then nano-peened and polished, they are 100% load-sorted to exceed our customers’ expectations.
    • CNC machined Extreme Duty 9 deg. locks.
    • Ultralite Chromoly forged retainers.

    NOTE

    S6500 springs – Small end ID: .740”, OD: 1.185” / Large end ID: 1.055”, OD: 1.500″

    Retainers

    Part number Alloy Traitement Angle Part Number Kit
    R60007SG-4 4140 Chromoly steel Black Oxyde VSK60007SG
    R6500-4 4140 Chromoly steel Black Oxyde VSK65007SG

     

    Lower Collars

    Part number Thickness O.D. I.D. Alloy Part Number kit
    LSC6000-4 .050" 1.425" .565" Heat treat steel VSK6000
    LSC6500-4 .040" 1.485" .565" Heat treat steel VSK6500

     

    Valve Locks

    Part number Stem Groove Usage Tapper Part Number Kit
    VL7MMSG-8 7MM Single or Triple with Beehive springs Double spring VSK60007SG
    VL7MMSGC-8 7MM Double spring VSK65007SG