Page 209 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Late Model Muscle Performance Camshafts

Thumpr And Mutha Thumpr NSR Hydraulic Roller
Camshafts For Ford 5.0L Coyote NEW!
Performance NSR (No Springs Required) camshafts, designed
for Ford 5.0L Coyote, offer increased horsepower and an unmistakable
idle lope, yet are compatible with the OEM valve springs. Equally suited to
naturally-aspirated or supercharged applications. Mutha Thumpr profiles LST Series Hydraulic Roller Camshafts For GM LS
works best with header, gear, and torque converter upgrades. LST (Low Shock Technology) hydraulic roller camshafts utilize NEW!
RPM Operating Duration @ lobe profiles to maximize horsepower, while providing a stable
Part No. Application Range .050" Valve Lift
Thumpr NSR Camshafts valvetrain. Camshafts require AFM delete, VVT limiter, and computer tuning.
COM191700* ’11-14 Coyote 5.0L 1600-7000 220°/234° .492"/.470" RPM Oper. Duration
COM243700 ’15-17 Coyote 5.0L 1600-7000 220°/234° .513" Part No. Application Range @ .050" Valve Lift
Mutha Thumpr NSR Camshafts Stage 1 Camshafts
COM191710* ’11-14 Coyote 5.0L 1900-7300 228°/242° .492"/.470" COM54-301-11 ’08-17 Corvette/Camaro LS3 M/T 2200-7200 231°/244° .614"/.607"
COM243710 ’15-17 Coyote 5.0L 1900-7300 228°/242° .513" COM54-305-11^ ’08-17 Corvette/Camaro LS3 M/T 3300-7500 243°/254° .632"/.627"
*Requires cam phaser limiter kit (COM5493) or cam phaser lockout kit (COM5492). COM189-301-13 ’10-15 Camaro 6.2L L99 2000-7200 231°/244° .614"/.606"
COM224-300-13 ’14-Up Camaro/Corvette LT1 6.2L 2200-7200 227°/238° .650"/.639"
Stage 2 Camshafts
Thumpr NSR Hydraulic Roller Camshaft NEW! COM54-303-11 ’08-17 Corvette/Camaro LS3 M/T 3000-7500 237°/248° .632"/.627"
For Dodge 5.7/6.4L Hemi COM54-307-11^ ’08-17 Corvette/Camaro LS3 M/T 3000-7500 251°/266° .632"/.627"
COM189-303-13 ’10-15 Camaro 6.2L L99 2700-7400 237°/248° .632"/.627"
COM201-700-17
COM224-302-13 ’14-Up Camaro/Corvette LT1 6.2L 2700-7400 235°/248° .650"/.643"
Thumpr NSR (No Springs Required) camshaft, engineered for Gen. III/ ^Requires aftermarket pistons with valve reliefs for necessary piston-to-valve clearance.
IV Hemi engines, provides increased horsepower within an RPM range of
1800-6500 and an unmistakable idle lope, is compatible with the OEM LST Series Solid Roller Camshafts For GM LS
valve springs. LST (Low Shock Technology) solid roller camshafts utilize lobe NEW!
Duration profiles to maximize horsepower, while providing a stable
Part No. Application @ .050" Valve Lift
COM201-700-17 † 2009-Up Dodge 5.7/6.4L Gen. III/IV Hemi 214°/233° .501"/.505" valvetrain. Camshafts require AFM delete, VVT limiter and computer tuning.
†Requires cam phaser limiter kit (COM5761) or cam phaser lockout kit (COM5760). RPM Oper. Duration
Part No. Application Range @ .050" Valve Lift
Stage 1 Camshafts
Thumpr Hydraulic Roller Camshafts NEW! COM54-311-11 GM LS 2800-7500 234°/248° .672"/.668"
For GM LS 4.8/5.3/6.0L COM54-315-11^ GM LS 3400-7500 250°/260° .672"/.668"
COM54-330-11 GM LS 4.8/5.3L w/Turbo
Hydraulic roller camshafts are designed to increased horsepower, while Stage 2 Camshafts 2300-7400 223°/225° .598"/.600"
offering an unmistakable idle lope. Available NSR (No Springs Required) COM54-313-11 GM LS 3300-7500 242°/254° .672"/.668"
grinds are compatible with the OEM valve springs. COM54-317-11^ GM LS 3600-7500 258°/272° .672"/.668"
COM54-332-11 GM LS 4.8/5.3L w/Turbo 2500-7400 231°/237° .605"/.610"
RPM Operating Duration
Part No. Application Range @ .050" Valve Lift ^Requires aftermarket pistons with valve reliefs for necessary piston-to-valve clearance.
Stage 1 Camshafts
COM54-700-11 ‡ ’99-06 4.8/5.3L, ’99-08 6.0L 1500-6300 218°/229° .541"/.530" Cam Install Kits For GM LS
COM54-701-11 ‡ ’07-12 4.8/5.3L, ’09-12 6.0L 1600-6400 222°/233° .541"/.536"
Stage 2 Camshafts The most complete cam
COM54-702-11 ‡ ’99-06 4.8/5.3L, ’99-08 6.0L 1800-6500 226°/237° .541"/.539" installation available NEW!
COM54-703-11 § ’07-12 4.8/5.3L, ’09-12 6.0L 1800-6500 227°/237° .614"/.612" for the GM LS. Kit, which is available
‡NSR camshafts that may be used with the OEM valve springs and torque converter.
§Requires valve spring, seat, and seal kit COM528-KIT. to fit all 4.8/5.3/5.7/6.0/6.2L LS;
LS7/LS9; single bolt LS and LT1/
GM Cam Phaser Lockout Kits LT4, includes valve cover gaskets, EGR
gasket, front cover gasket (exc. LT),
Specialized kit allows the NEW!
elimination of VVT (Vari- water pump gasket, crankshaft seal,
able Valve Timing) in late model GM crankshaft bolts, cam bolts and lock
applications, allowing the installation plate.
Description
of a larger profile camshaft. Kit utilizes Part No. Three-Bolt 4.8/5.3/5.7/6.0/6.2L
COM5621
a special phaser plug that locks the camshaft into place, simplifying the COM5622 LS7/LS9
ECU tuning process while gaining precious piston-to-valve clearance. Kit also COM5623 Single-Bolt LS With VVT/AFM
includes application specific tools required for proper installation. COM5624 LT1/LT4 Camaro
COM5626 LT1 Corvette
Part No. Application COM5627 LT4 Corvette
COM5465 2007-08 L92/2014-Up LT1
COM5471 2015-Up LT4

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