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  • 12v Dodge Cummins 60lb over stock Valve Springs 1989-1998 High performance

    Set of 12 Valve springs 60lb high performance valve springs For your 1989-1998 Cummins 12v! You will receive 2 boxes of 6 springs. Great upgrade if you want to safely rev past 3000RPM! IF IT IS NOT IN DSS PACKAGING WITH HOLOGAM STICKER, IT IS NOT GENUINE!

    • ASIN: B00BC7LLDU
    • Brand: Dieselspeedshop.com
    • ASIN: B00BC7LLDU
    • Part No: DSS12vspring12

  • Competition Cams 648-16 Machined Steel Race Locks, 7 degree Lock Angle for 11/32" Valve Stem Diameter

    These single groove Machined Steel Street Locks with 7 degree lock angle and 11/32 inch valve stem size are perfect replacement locks for street applications. It is critically important to make sure valve locks match the valve size. There should always be a small gap between the two halves of the lock when they are properly positioned on the valve stem. If the two halves fit together without a gap, they are too large. If the locks fit tight to the stem and leave a gap between the middle of the lock and the O.D. of the stem, the locks are too small. Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running. This is not the case. The cross-section of material in the tang is not strong enough to withstand open spring loads of 1000 pounds. or more. The sole purpose of the tang is to temporarily locate the lock, retainer and spring relative to the valve until the taper of the retainer can nest around the outside surface of the lock. This creates a “collet” effect that binds the two together. The more spring force exerted on the retainer (as the valve opens), the more force applied by the “collet” effect to keep the retainer and lock in place.

    • ASIN: B0014EXJXG
    • Brand: Comp Cams
    • ASIN: B0014EXJXG
    • UPC: 036584069737
    • Part No: 64816

  • COMP Cams 26918-16 Beehive 1.075"/1.310" O.D. Valve Spring, (Set of 16)

    With a .625 inch maximum lift, these Beehive Valve Springs were designed for hydraulic roller cams in LS1, LS2 and LS6 engines. COMP Cams Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability. The oval/multi-arc wire shape places the maximum area of the wire at the point of highest stress to handle valve train stress more efficiently and allow better heat dissipation for longer life. Because of the unique Beehive design, the valve train can handle more RPM and more aggressive cam profiles.

    • ASIN: B000CIUBIQ
    • Brand: Comp Cams
    • ASIN: B000CIUBIQ
    • UPC: 036584077473
    • Part No: 26918-16

  • GM Performance 12499224 Valve Spring

    12499224 GM Performance Part SPR PKG

    • ASIN: B008Y8Q5W2
    • Brand: GM Performance
    • ASIN: B008Y8Q5W2
    • Part No: 12499224

  • GM Parts 12499224 Valve Spring for LS1 Engine

    GM PERFORMANCE PARTS 12499224 Valve Spring Package - LS1

    • ASIN: B000QIXYDQ
    • Brand: GM Performance Parts
    • ASIN: B000QIXYDQ
    • UPC: 191215042593
    • Part No: 12499224

  • COMP Cams 5462 Valve Spring Compressor for LS Engine

    COMP Cams LS Valve Spring removal tool is engineered specifically to work with all GM LS-Type engines. The easy-to-use custom design enables the removal of 1 or 2 valve springs at a time without the hassle of removing the rocker stand or any of the other installed rockers. The tool works both with the cylinder heads installed on an engine or off. This simple design facilitates easy usage in vehicles where other tools are incapable of reaching the tight spaces. This tool is a "must have" for all LS engine builders and enthusiasts.

    • ASIN: B00461L9LS
    • Brand: Comp Cams
    • ASIN: B00461L9LS
    • UPC: 036584229575
    • Part No: 5462

  • S&S Cycle Street Performance .585" Valve Spring Kit 900-0594

    • Springs reduce the risk of valve float• Suitable for high performance applications• Accommodates camshaft lift to 0.585"• Valve Guide Seals, Springs, Top & Bottom Collars, Keepers, Shims• 1.850" Installed height, 135 lb Seat Force, 325 lb force at Max Lift• For use with stock 7mm stems

    • ASIN: B00T6J56JQ
    • Color: Regular
    • Brand: S&S Cycle
    • ASIN: B00T6J56JQ
    • Part No: 900-0594

  • Hot Cams SKYFM660S2 Gold Series High Performance Valve Spring Kit

    Created from premium, Japanese spring steel, these springs will allow the trouble-free use of more demanding, higher performance cams like the Hot Cams Gold Series and Builder Series camshafts. Includes valve springs, base washers, and retainers. Required with Stage 2 and Stroker Raptor cams (part numbers 4005-2 and 4050-3). Exhaust coil bind: 0.7 inch; exhaust install force: 55 pounds; exhaust install height: 1.205 inch; exhaust maximum valve lift: 0.45 inch; exhaust open force: 145 pounds; exhaust open height: 0.345 inch; exhaust rate: 270 pounds/inch; intake coil bind: 0.7 inch; intake install force: 55 pounds; intake install height: 1.205 inch; intake maximum valve lift: 0.45 inch; intake open force: 145 pounds; intake open height: 0.345 inch; intake rate: 270 pounds/inch. For Yamaha Raptor 660 2001-2005.

    • ASIN: B000GZM93A
    • Color: Regular
    • Brand: Hot Cams
    • ASIN: B000GZM93A
    • UPC: 182682967359
    • Part No: SKYFM660S2

  • High Performance 60# over stock works with Dodge Cummins 1989-1998 4bt & 6bt Valve Spring sets (6bt set of twelve)

    Cummins HD Valve Springs for the 1989-1998 4BT & 6BT engines. Spring sets sold in packs of 4's, 6's, 8's & 12's. Upgrade for intake & exhaust. The seat pressure on these springs is ~148lbs at the installed height of 1.950. At 400 lift, the spring pressure is ~192-195lbs. At 500 lift, the spring pressure is ~210lbs. If you plan on running a VE Gov spring or any P7100 gov spring kit or an exhaust brake, you will need HD valve springs. These heavy duty valve springs are required if you plan on running any application between 3200 rpm to 4000 rpm and/or also required for the safety of your engine if you install an exhaust brake kit that didn't come with the HD springs. Don't be fooled by people selling cheap springs out there. A broken spring can take out an engine

    • ASIN: B0147NP3XE
    • Brand: Dieseltuff
    • ASIN: B0147NP3XE
    • UPC: 732030347830
    • Part No: 60lb Over Valve Spring

  • ProForm 67605 Valve Spring Compressor

    Proform Valve Spring Compressor Tool for LS Engines Easily Compress 2 Springs At One Time Mounts Directly To GM LS HeadsThis LS valve spring compressor is compact, is activated with normal hand tools, and takes up almost no space in your toolbox. It will cut valve spring removal and replacement time to around 1 hour. It will work on any LS engine in a Camaro, Firebird, Corvette or truck. And, it's guaranteed to get the job done as easy, if not easier, than expensive compression tools.

    • ASIN: B004705XC4
    • Brand: ProForm
    • ASIN: B004705XC4
    • UPC: 037995676057
    • Part No: 67605

  • Valve Spring Comp Set

    • ASIN:
    • Model: W89409
    • Color: Multicolor
    • Size: Valve Spring Compressor