GMC Sierra 2500 HD Performance Engines

Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power. Without sacrificing low RPM torque, these camshafts extend the RPM potential of GM LS e

Product Features:

• Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
• Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
• Provides outstanding low RPM torque with increased stability.

Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.

Product Features:

• Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
• Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
• Provides outstanding low RPM torque with increased stability.

HYDRAULIC ROLLER – XFI XE-R: High rpm street/strip with XE-R lobe designs. Requires custom tuning.

Product Features:

• HYDRAULIC ROLLER – XFI XE-R: High rpm street/strip with XE-R lobe designs. Requires custom tuning.
• 273/279 Advertised Duration, 224/230 Duration @ .050″, .581″/.588″ Lift, 114 Lobe Separation
• Use Beehive Valve Spring part No. 26918-16 with this camshaft

Reduced Travel OE-Style Hydraulic Roller Lifter for ’87+ SBC, LT/LS and V6

Torque Converter – Traveler Converter with 2000 RPM Stall Speed APPLICATION: GM 4L80E The Traveler converter is intended for use in motorhomes, tow vehicles or other heavy duty applications where a slightly higher stall speed is helpful in getting the vehicle moving. The Traveler is also stronger than a stock converter and has been internally modified to provide about 300 rpm more stall speed for help in initial acceleration without sacrificing normal highway operation. It is manufactured to B&M’s exacting tolerances for long life. Provides slightly higher stall speed than stock to improve pulling power at low speeds. Application: GM 4L80E Please download the attached 4L80E torque converter installation tips. New Precision pump drive tube Heavy duty needle bearings Furnace brazed New sprag and rollers in stator Pressure tested Fully balanced.

Product Features:

• Ideal For Motor Homes
• Ideal For Towing Applications
• Precision Pump Drive Tube
• Heavy Duty Needle Bearings
• Furnace Brazed
• New Sprag and Rollers In Stator
• Pressure Tested
• Fully Balanced