Engine Components

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The next design evolution of the Hi-Techâ„¢ Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1807 rockers feature a 1.55 ratio for use with 3/8"...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1802 rockers feature a 1.6 ratio for use with 3/8"...

For '85-'87 GM 4.3L/262 cid 90. V6 Engines Originally Equipped with Flat Tappet Cam. Works with Throttle Body (TBI) and Sequential Port Injection (CPI) with Aftermarket Chip. Good Low End,...

angle and fit all stem sizes. Tool Steel Retainers provide the best of all valve train benefits: light weight, as well as exceptional strength and wear characteristics. Approximately 33% lighter than...

angle and fit 8mm stems. Tool Steel Retainers provide the best of all valve train benefits: light weight, as well as exceptional strength and wear characteristics. Approximately 33% lighter than...

angle and fit 8mm stems. Tool Steel Retainers provide the best of all valve train benefits: light weight, as well as exceptional strength and wear characteristics. Approximately 33% lighter than...

angle and fit all stem sizes. Tool Steel Retainers provide the best of all valve train benefits: light weight, as well as exceptional strength and wear characteristics. Approximately 33% lighter than...