Showing 1–12 of 29 results

  • $1,699.00$1,999.00

    GMPP LS3 CNC’D CYLINDER HEADS 88958758 WITH BTR SPRING KIT

    Chevrolet Performance LS3 CNC’d Cylinder Heads 88958758 with BTR Spring Kit CNC-ported Version of the LS3 Cylinder Head Flows About 10-Percent More Than The Production Head – More Than 350 cfm (intake side) at .600″ Lift 276cc Intake Runners and 92cc Exhaust Ports 68.5cc Chambers Fits All LS Engines with 4.000″ Bore or Larger 2.165″ […]

  • $117.50

    PAC LS DUAL VALVE SPRING HEIGHT MICROMETER

    PAC RACING SPRINGS Height Mic LS  – 1.400 to 2.000 LS Dual Retainers, PAC-T904

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  • $399.00

    PAC 1207X SPRING KIT

    This spring kit contains PAC 1207X Dual Valve Springs, matching titanium retainers, your choice of locator, locks, and seals. Spring Specs are 155 lbs @ 1.800, 436 lbs @ 1.150, Coil Bind 1.000″, Max lift .700″ This is a drop in spring kit for all 15 degree LS heads including: LS1, LS2, LS3, LS4, LS6, […]

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  • $469.00

    PAC 1206X SPRING KIT

    This spring kit contains PAC 1206X Dual Valve Springs, matching titanium retainers, your choice of locators, locks, and seals. Spring Specs are 145 lbs @ 1.800, 411 lbs @ 1.150, Coil Bind 1.000″, Max lift .700″ This is a drop in spring kit for all 15 degree LS heads including: LS1, LS2, LS3, LS4, LS6, […]

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  • $469.00

    PAC 1204X SPRING KIT

    This spring kit contains PAC 1204X Dual Valve Springs, matching titanium retainers, your choice of locators, locks, and seals. Spring Specs are 145 lbs @ 1.800, 385 lbs @ 1.150, Coil Bind 1.000″, Max lift .700″ This is a drop in spring kit for all 15 degree LS heads including: LS1, LS2, LS3, LS4, LS6, […]

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  • $359.00

    BTR .685″ LIFT SPRING KIT WITH TITANIUM RETAINERS

    .685″ Lift Dual Spring Kit for LS engines using Limited stock rocker arm setups and Roller Rockers.  Includes dual springs, matching titanium retainers,  locators for stock guides, locks and seals.   Spring specs are 170 lbs @ 1.800″, 380 lbs @ 1.180″, 450 lbs @ 1.115, coil bind @ 1.000″  This is a drop in […]

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  • $359.00

    BTR .685″ LIFT SPRING KIT WITH TITANIUM RETAINERS FOR LS7

    .685″ Lift Dual Spring Kit for LS7 engines using limited stock rocker arm setups and Roller Rockers.  Includes dual springs, matching titanium retainers, your choice of locators for Stock or bronze guides, locks and seals.   Spring specs are 170 lbs @ 1.800″, 380 lbs @ 1.180″, 450 lbs @ 1.115, coil bind @ 1.000″ […]

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  • $309.00

    BTR .660″ LIFT PLATINUM SPRING KIT WITH TITANIUM RETAINERS FOR ZR1/LS9

    .660″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes dual polished springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coil bind @ 1.070″ This is a drop in […]

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  • $229.00

    BTR .660″ LIFT PLATINUM SPRING KIT SK00

    660″ Lift Dual Spring Kit for LS engines using stock rocker arms.  Includes dual polished springs, locks and your choice of:   Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coil bind @ 1.070″  This is a drop in spring kit for all 15 degree LS heads including […]

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  • $399.00

    BTR POSITIVE DISPLACEMENT STAGE IIl TORQUE CAM

    Specs:  The cam specs are 223/246 .610″/.600″ 117+6 Our original Stg III PDS cam was designed for those wanting maximum peak power at the sacrifice of some low end torque.  Designed in conjunction with Justin White the new Stg III Torque cam was designed to provide much better low end torque at the sacrifice of […]

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  • $204.95

    BRIAN TOOLEY RACING GEN III / IV LS GASKET KITS

    Gen III Includes: (1) Chevrolet Performance Gen III Valley Cover Gasket 12558178 (2) BTR LS1/LS2/LS3 Header Gasket BTR17944 (1) BTR LS Oil Pan Gasket BTR12350 (2) BTR LS Water Pump Gasket BTR30223 (1) BTR LS Front Cover Gasket BTR33904 (2) BTR LS Valve Cover Gasket BTR37683 (1) BTR LS Damper Seal BTR85673 (1) BTR LS […]

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  • $389.00

    Brian Tooley Racing LS2 Stage 4 N/A Camshaft

    Cam Specs 235/242 .621″/.592″ 111+3

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