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Engines and Components
Stage 1 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks

Camshaft – Thumper NSR Stage 1 – Hydraulic Roller – Lift 0.541 / 0.536 in – Duration 276 / 295 – 112 LSA – 1600 / 6400 RPM – GM…
Engines and Components
Stage 1 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks

Camshaft – Thumper NSR Stage 1 – Hydraulic Roller – Lift 0.541 / 0.530 in – Duration 272 / 291 – 111 LSA – 1800 / 6500 RPM – GM…
Engines and Components
Cam Retaining Race Pack – GM LS w/3-Bolt Cams

Camshaft Retaining Kit – 3-Bolt – GM LS-Series – Kit
Tools
Valve Spring Compressor – GM LS Engine

Valve Spring Compressor – Head-On – Shaft Mount – Steel – Black Oxide – GM LS-Series – Kit
Engines and Components
Cam Lock Plate Kit – 3-Bolt GM LS Engines

Camshaft Locking Plate – Bolts Included – Steel – GM LS-Series – Kit
Engines and Components
GM LS Thumpr Cam – 291THR

Camshaft – Big Mutha’ Thumpr – Hydraulic Roller – Lift 0.573 / 0.558 in – Duration 291 / 311 – 109 LSA – 2600 / 6800 RPM – GM LS-Series…
Engines and Components
GM LS Thumpr Cam – 283THR

Camshaft – Mutha’ Thumpr – Hydraulic Roller – Lift 0.563 / 0.546 in – Duration 283 / 303 – 109 LSA – 2300 / 6600 RPM – GM LS-Series -…
Engines and Components
GM LS Thumpr Cam – 275THR

Camshaft – Thumpr – Hydraulic Roller – Lift 0.553 / 0.536 in – Duration 275 / 295 – 109 LSA – 2000 / 6400 RPM – GM LS-Series – Each
Engines and Components
Cam Phaser Limiter Kit GM LS Gen IV 09-Up

Camshaft Phaser Limiter – 52 to 22 Degree Limit – GM LS-Series – Kit
Engines and Components
GM LS LSR Cam – 277LTBHR15

Camshaft – LSR Turbo – Hydraulic Roller – Lift 0.614 / 0.610 in – Duration 277 / 273 – 115 LSA – 2200 / 7000 RPM – GM LS-Series -…
Engines and Components
GM LS LSR Cam – 285LCBHR15

Camshaft – LSR Centrifugal Blower – Hydraulic Roller – Lift 0.621 / 0.624 in – Duration 285 / 301 – 115 LSA – 2500 / 7200 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 277LCBHR14

Camshaft – LSR Centrifugal Blower – Hydraulic Roller – Lift 0.614 / 0.624 in – Duration 277 / 293 – 114 LSA – 2200 / 7000 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 285LRRHR13

Camshaft – LSR Rectangular Port – Hydraulic Roller – Lift 0.621 / 0.624 in – Duration 285 / 301 – 113 LSA – 2200 / 7200 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 281LRRHR13

Camshaft – LSR Rectangular Port – Hydraulic Roller – Lift 0.617 / 0.624 in – Duration 281/297 – 113 LSA – 2000 / 7000 RPM – GM LS-Series – Each
Engines and Components
GM LS LSR Cam – 297LRBHR14

Camshaft – LSR Roots Blower – Hydraulic Roller – Lift 0.624 / 0.624 in – Duration 297 / 301 – 114 LSA – 2700 / 7200 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 289LRBHR14

Camshaft – LSR Roots Blower – Hydraulic Roller – Lift 0.624 / 0.624 in – Duration 289 / 293 – 114 LSA – 2400 / 7000 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 297LRXHR14

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.624 / 0.624 in – Duration 297 / 305 – 114 LSA – 2400 / 7000 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 289LRHR14

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.624 / 0.624 in – Duration 289 / 297 – 114 LSA – 2400 / 7200 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 285LRHR13

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.621 / 0.624 in – Duration 285 / 293 – 113 LSA – 2200 / 7200 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 281LRHR13

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.617 / 0.624 in – Duration 281 / 289 – 113 LSA – 2000 / 7000 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 277LRHR12

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.614 / 0.621 in – Duration 277 / 285 – 113 LSA – 1900 / 7000 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 273LRHR12

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.610 / 0.617 in – Duration 273 / 281 – 112 LSA – 1700 / 6800 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 269LRHR12

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.607 / 0.614 in – Duration 269 / 277 – 112 LSA – 1500 / 6700 RPM – GM LS-Series…
Engines and Components
GM LS LSR Cam – 265LRHR12

Camshaft – LSR Cathedral Port – Hydraulic Roller – Lift 0.604 / 0.610 in – Duration 265 / 273 – 112 LSA – 1300 / 6500 RPM – GM LS-Series…

Stage 1 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks

Stage 1 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks

Cam Retaining Race Pack – GM LS w/3-Bolt Cams

Valve Spring Compressor – GM LS Engine

Cam Lock Plate Kit – 3-Bolt GM LS Engines

GM LS Thumpr Cam – 291THR

GM LS Thumpr Cam – 283THR

GM LS Thumpr Cam – 275THR

Cam Phaser Limiter Kit GM LS Gen IV 09-Up

GM LS LSR Cam – 277LTBHR15

GM LS LSR Cam – 285LCBHR15

GM LS LSR Cam – 277LCBHR14

GM LS LSR Cam – 285LRRHR13

GM LS LSR Cam – 281LRRHR13

GM LS LSR Cam – 297LRBHR14

GM LS LSR Cam – 289LRBHR14

GM LS LSR Cam – 297LRXHR14

GM LS LSR Cam – 289LRHR14

GM LS LSR Cam – 285LRHR13

GM LS LSR Cam – 281LRHR13

GM LS LSR Cam – 277LRHR12

GM LS LSR Cam – 273LRHR12

GM LS LSR Cam – 269LRHR12

GM LS LSR Cam – 265LRHR12