Engine Components

HRT Turbo

The HRT Camshaft Series uses the newest and most advanced lobe designs from COMP Cams in order to produce some of the highest average power and torque increases available for turbo and supercharged engines.

Idler Pulley - Holley Accessory Drive

• Genuine Holley Quality Parts

Idler Pulley-Smooth SC LT4 GM Engine

• Genuine Holley Quality Parts

Idler Pulley-Smooth SC LT4 GM Engine 90mm

• Genuine Holley Quality Parts

ID Spring Locator - 1.253" OD, .780" ID, .120" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator - 1.300" OD, .510" ID, .060" Thickness

ID Spring Locator - 1.300" OD, .520" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator - 1.300" OD, .520" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today.

ID Spring Locator - 1.300" OD, .570" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator - 1.350" OD, .515" ID, .050" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today.

ID Spring Locator - 1.540" OD, .520" ID, .060" Thickness

ID Spring Locator - 1.550" OD, .570" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator - 1.550" OD, .570" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator - 1.625" OD, .570" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator Set of 100 - 1.300" OD, .570" ID, .060" Thickness

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today.

ID Spring Locator Set of 100 - 1.550" OD, .570" ID, .060" Thick

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today.

ID Spring Locator Set of 100 - 1.550" OD, .570" ID, .060" Thick

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today.

ID Spring Locator Set of 12 - 1.300" OD, .570" ID, .060" Thickness

ID Spring Locator - 1.300" OD, .570" ID, .060" Thickness, .875" Spring ID - Set of 12

ID Spring Locator Set of 16 - 1.100" OD, .470" ID, .060" Thickness

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines.

ID Spring Locator Set of 16 - 1.285" OD, .532" ID, .135" Thickness

ID Spring Locator Set of 16 - 1.300" OD, .505" ID, .040" Thickness

Complete Set of (16) ID Spring Locators.

ID Spring Locator Set of 16 - 1.300" OD, .510" ID, .060" Thickness

ID Spring Locator Set of 16 - 1.300" OD, .520" ID, .060" Thickness

Older standard shims will not hold up to the extreme spring pressures and high RPM found in today's engines.

ID Spring Locator Set of 16 - 1.300" OD, .570" ID, .060" Thickness

Spring ID Locators Set of 16 - 1.300" OD, .570" ID, .060" Thickness, .910" Spring ID

ID Spring Locator Set of 16 - 1.300" OD, .570" ID, .060" Thickness