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Comp Cams Performance Parts
Comp Cams 54-426-11
Comp Cams 54-426-11 XFI RPM High Lift Hydraulic Roller Camshaft LS1 XR275HR-12 500x375
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Comp Cams 54-426-11
• Aggressive lobe design
• Excellent throttle response
• Strong vacuum
• Excellent in high performance street/strip applications
• Good top end horsepower

Not legal for sale or use on pollution controlled motor vehicles.
Our Price: $398.97
UPC 036584068266
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(US only. Excluding any oversize charges.)
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Performance Parts is a Comp Cams authorized performance retailer
Product Info Related Items
Application: Street/Strip
Comp Cams 54-426-11 "Xtreme RPM High Lift" Hydraulic roller camshaft.
Fits 1997 to current GM 350 cu.in. LS1 and LS6 V8.

Comp Cams "Xtreme RPM High Lift Cams" are the latest series of hydraulic cams to take advantage of the newest development of camshaft design and valve train technology to increase horsepower and extend the rpm range of the GM Gen.III LS1 and LS6 engines. They have an aggressive lobe design that produces better throttle response than other cams with the same duration and they still deliver strong engine vacuum. "Xtreme RPM High Lift Cams" are available for any street or street/strip application where both top end horsepower and good throttle response are desired.

RPM range: 1,800 to 6,800 rpm.
Duration at .050" lift: 222/224 (int/exh)
Valve lift with 1.7 rockers: .566"/.568" (int/exh)
Street/strip with great mid-range and high rpm power, requires computer modifications.
Shipping Weight/Dimensions:
Weight:10.00 lbs
Height:3.00 in.
Length:24.50 in.
Width:3.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
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Shaft Mount Aluminum Rocker Arms, 1.8:1 Ratio - GM Gen III, LS1, LS2, LS6

• Increases horsepower
• Computer designed
• 2024 aluminum
• 8620 hardened steel shaft
• Adds stability to the cylinder head
• Made in USA
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Short Travel Race Lifters – 87-up Chevrolet Small Block 305-350 (incl LT1, LS Series)

• Minimizes internal piston movement
• Performs at higher speeds
• Allows higher engine rpm
• Race/street applications
• Set of 16
Comp Cams 26925TS-KIT
LS Engine Dual Valve Spring Kit: Tool Steel Retainers

• .650" maximum lift
• For race applications
• Valve train stability
• Superior strength
• Street and race applications
Comp Cams 26918CS-KIT
• Contains Everything You Need
• Chromemoly Steel
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Comp Cams 26918TS-KIT Beehive Valve Spring Kit
Fits general Motors LS series engines
Comp Cams 26926TI-KIT
LS Engine Dual Valve Spring Kit: Titanium Retainers

• .675” maximum lift
• Street and race applications
• Valve train stability
• Superior strength
• Quality control testing
Comp Cams 26926TS-KIT
LS Engine Dual Valve Spring Kit: Tool Steel Retainers

• .675” maximum lift
• Quality control testing
• Valve train stability
• Superior strength
• Street and race applications
- Last Updated: 2014-08-27 17:14:47 -
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