Hydraulic Roller

Chevrolet - GM 350 LT1 - LT4 1993-1997
Performance level - Stage 4+ - Mid to top end power in highly modified engines.
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.5/1.5 Gross Lift: .571”/.582” LSA: 114° RPM: 2000 to 6000 Redline: 6500

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Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level - Stage 2 - Excellent mid & top end performance.  Requires ECU tuning.
INT/EXH - Dur @ .050” Lift: 226°/231° RR: 1.7/1.7 Gross Lift: .607”/.617” LSA: 118° 

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Chevrolet - GM 350 LT1 - LT4 with Small Base Circle
Performance level - Stage 1 - Works well in stock or slightly modified engines.
INT/EXH - Dur @ .050” Lift: 208°/216° RR: 1.5/1.5 Gross Lift: .495”/.515” LSA: 114° RPM: 1000 to 5500 Redline: 6000

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Chevy LS1 Hydraulic Roller Camshaft Kit with Superior conical spring design to allow for a smaller retainer to lighten valve train weight

Includes Camshaft of your choice:

# 00572  Performance Level 2  works well for 4.8-5.7 combos with or without power adders, this cam will work with stock converters  217/226 @ .050 ..553"/.575" Gross Lift 114 LSA Responsive mid-range power Modified computer, exhaust & high flow intake recommended. Intended for off hwy use only> "Read More" 

or 

# 00573  Performance Level 3 works well for 5.7-6.2 combos with or without power adders 226/232 @ .050 .566"/.566" Gross LIft 114 LSA Mid to Top end power in highly modified engine Intended for off hwy use only> "Read More" 

Pushrods - Radius End One Piece  7.350" , 7.400" or 7.450"

Valve Locks  # 86118

Valve Springs # 68435

Chromoly Retainers  # 87015-16

Option to add Rocker Bushing kit # 73501

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Chevrolet - GM LS1/LS2/LS6 4.8L-7.0
Performance level 2 - Increased flow or Aftermarket head required. Requires ECU tuning. Good Valve to piston clearance.
INT/EXH - Dur @ .050” Lift: 217°/226° RR: 1.7/1.7 Gross Lift: .553”/.575” LSA: 110° 

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Chevrolet - GM LS1/LS2/LS6 4.8L-7.0
Performance level 3 - Great choice for bigger displacement engines. head work or aftermarket head required. Requires ECU tuning. Check Valve to piston clearance.
INT/EXH - Dur @ .050” Lift: 230°/238° RR: 1.7/1.7 Gross Lift: .600”/.5612” LSA: 110° 

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Chevrolet - GM 350 LT1 - LT4
Performance level - Stock Replacement - Increased performance in stock LT1 engines.
INT/EXH - Dur @ .050” Lift: 204°/212° RR: 1.5/1.5 Gross Lift: .485”/.505” LSA: 114° RPM: Idle to 5000 Redline: 5500 Learn More

Chevrolet - GM 350 LT1 - LT4
Performance level - Stage 1 - Works well in stock or slightly modified engines.
INT/EXH - Dur @ .050” Lift: 208°/216° RR: 1.5/1.5 Gross Lift: .495”/.515” LSA: 114° RPM: 1000 to 5500 Redline: 6000 Learn More

Chevrolet - GM 350 LT1 - LT4
Performance level - Stage 2 - Modified computer, exhaust and high flow intake recommended.
INT/EXH - Dur @ .050” Lift: 221°/230° RR: 1.5/1.5 Gross Lift: .525”/.545” LSA: 114° RPM: 1500 to 5800 Redline: 6300 Learn More

Chevrolet - GM 350 LT1 - LT4
Performance level - Stage 3 - Mid to top end power in highly modified engines.
INT/EXH - Dur @ .050” Lift: 225°/232° RR: 1.5/1.5 Gross Lift: .535”/.550” LSA: 114° RPM: 2000 to 6000 Redline: 6500 Learn More