Best Cam For 350 Small Block: Street and Strip Picks

#1 · Best Overall

1. COMP Cams K12-238-2

• Weight: 21.1 lb
• Dimensions: 25.43 x 10.31 x 5.03 in

Best for: Responsive street-carbureted builds.

Why it ranks #1: Its 218/224-degree duration and 1,300–5,600 RPM range suit street use, while the listed kit includes hydraulic lifters and a timing set.

A 1,300–5,600 RPM operating range gives the COMP Cams Xtreme Energy 218/224 K-Kit a clearly stated span for street use. Its listed excellent response, good mid-range and noticeable idle make it a practical choice for a carbureted small-block build seeking a performance character without stepping up to the more aggressive Thumpr profiles.

The 218/224 duration at .050 inch and 110-degree lobe separation are paired with .462/.469-inch valve lift, giving buyers concrete profile specifications for planning a small-block setup. The listing calls out excellent performance in street carbureted applications and quick response, tying the grind to that use case. It includes a hydraulic flat cam and lifters, plus a timing set identified for 1978–1986 Chevrolet applications. Check the exact K-Kit contents, since kit contents can vary.

Skip it if you want a hydraulic roller profile; Speedmaster PCE249.1011 is a roller cam, but requires a roller-compatible block and separate lifters.

This kit suits a carbureted small-block 350 street build where response, mid-range and a noticeable idle are priorities. The stated timing-set application is 1978–1986 Chevrolet, so that detail matters when planning the parts combination.

Listed on Amazon as: COMP Cams K12-238-2 Xtreme Energy 218/224 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

#2 · Best Street Thumpr

2. COMP Cams K12-600-4

• Weight: 21.2 lb
• Dimensions: 26 x 10.5 x 5 in

Best for: Thumpr street builds with gears.

Why it ranks #2: The 227/241-degree grind fits small-block Chevy applications and includes lifters; its 107-degree separation delivers a choppy idle, with best results listed above 2,000 stall.

The 107-degree lobe separation angle gives COMP Cams’ Thumpr 227/241 K-Kit its listed choppy, thumping idle. Its 2,000–5,800 RPM operating range and stock-converter compatibility make it a street-oriented option, though the listing says it is best with a 2,000-plus converter and gears.

The 227/241 duration at .050 inch and .479/.465-inch lift define the Thumpr profile, while the 107-degree separation accounts for its pronounced idle character. The listing states that a stock converter is acceptable but a 2,000-plus converter and gears are better suited, giving buyers practical drivetrain guidance. The package includes the cam and hydraulic flat lifters, and its K-Kit contents may also include other parts; the listing advises checking exact contents.

Skip it if you need a milder 1,300–5,600 RPM street profile; COMP Cams K12-238-2 lists that range and good mid-range response.

Choose this kit for a street 350 build that values a thumping idle and can use the listed converter and gearing guidance. A stock converter is acceptable, but the recommendation favors 2,000-plus stall and gears.

Listed on Amazon as: COMP Cams K12-600-4 Thumpr 227/241 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

#3 · Largest Stock-Converter

3. COMP Cams 12-242-2

• Weight: 8.6 lb
• Dimensions: 24.2"L x 2.9"W x 2.6"H

Best for: Street builds with converter upgrades.

Why it ranks #3: This 224/230-degree cam is described as the largest for a stock converter, though the listing says it works better with a 2,000-plus stall converter.

Quicker-opening lobe profiles are the defining feature of the COMP Cams Xtreme Energy 224/230, with the listing connecting them to increased responsiveness. The 1,600–5,800 RPM range and 110-degree lobe separation suit a street-machine direction, while its guidance says it is the largest cam for a stock converter and works better with 2,000-plus stall.

The 224/230 duration at .050 inch and 1,600–5,800 RPM operating range mark a step toward a higher-revving street setup. Quicker-opening lobes are cited for increased responsiveness and more area under the lift curve; the listing also says added vacuum assists power brakes. A stock converter is described as workable, but a 2,000-plus stall is the better match. The cam is identified for Chevrolet GEN 1 small blocks and street carbureted applications.

Skip it if you need the strongest mid-range emphasis and a 1,300–5,600 RPM range; COMP Cams K12-238-2 lists those traits.

This cam suits a street-machine 350 builder seeking quicker response and a higher operating range, especially with a 2,000-plus stall converter. A stock converter is listed as workable, but the listing says the cam performs better with more stall.

Listed on Amazon as: COMP Cams 12-242-2 Xtreme Energy 224/230 Hydraulic Flat Cam for Chevrolet Small Block

#4 · Lifter-Included Option

4. J Martin Auto 22200 Kit

• Weight: 12 lb

Best for: Hydraulic street-use refreshes.

Why it ranks #4: The listing specifies 223 degrees duration at .050, .447-inch lift and included DLC-coated lifters for 283, 305, 350 and 400 applications.

Included DLC-coated lifters distinguish this 22200 hydraulic cam kit for small-block Chevrolet applications. The listed 223-degree duration at .050 inch and .447-inch intake and exhaust lift target a broad powerband for street and performance driving, while the hydraulic design is described as reducing maintenance needs and supporting smooth, quiet operation.

The .447-inch lift on both intake and exhaust pairs with 223 degrees of duration at .050 inch, giving a 350 builder a defined profile aimed at a broad powerband. The kit includes 16 DLC-coated lifters, so those components are part of the listed package rather than separate sourcing. Hydraulic operation is described as reducing maintenance and enabling smooth, quiet running. Listed engine coverage includes 283, 305, 350 and 400 cubic-inch small blocks.

Skip it if you need a specified RPM window for planning; COMP Cams K12-238-2 lists a 1,300–5,600 RPM range.

This kit fits a 350 owner seeking a hydraulic setup with lifters included and a stated broad-powerband street focus. Its listing provides lift and duration but no RPM range, so buyers who plan around a defined operating window may prefer a cam with one specified.

Listed on Amazon as: 22200 Small Block Chevy 283 327 350 Hydraulic Cam Kit

#5 · Roller Cam Option

5. Speedmaster PCE249.1011

• Weight: 9.04 lb
• Dimensions: 22 x 2.8 x 2.8 in

Best for: Roller-ready street-strip SBCs.

Why it ranks #5: Its 218/224-degree hydraulic roller profile covers 350 applications and a 1,600–5,400 RPM range, but requires a roller-compatible block and separate lifters.

Hydraulic roller construction is the defining feature of the Speedmaster PCE249.1011, with the listing citing reduced friction and longer life. Its 218/224 duration at .050 inch and 1,600–5,400 RPM range target street/strip use, while the stated strong mid-range torque and top-end pull describe the intended powerband.

The roller design is associated in the listing with reduced friction and longer life, while 218/224 duration and the 1,600–5,400 RPM range give a buyer useful operating context. Compatibility covers Chevrolet small blocks from 265 through 400 cubic inches, including 350 and 383 applications, and the listing calls it a direct drop-in for OEM and aftermarket blocks. That fit is conditional: the block must be roller-cam compatible, and lifters are sold separately.

Skip it if you have a flat-tappet block or need lifters included; COMP Cams K12-238-2 includes hydraulic flat lifters.

A 350 owner with a roller-cam-compatible block can consider this for street/strip use and the stated mid-range-to-top-end powerband. Check the roller-block requirement and source lifters separately; this listing does not include them.

Listed on Amazon as: Hydraulic Roller Performance Camshaft Compatible with Small Block Chevy 265/283/305/307/327/350/383/400-218/224 Duration, Street/Strip Powerband

#6

6. COMP Cams 12-600-4 Thumpr

Best for: Choppy-idle street 350 builds.

Why it ranks #6: The 227/241-degree, 107-degree-separation Thumpr is listed for SBC 350 engines and prioritizes a rough idle; this listing includes lifters.

A 107-degree lobe separation angle gives the COMP Cams Thumpr 227/241 its signature rough, choppy idle through early intake opening and long exhaust overlap. The hydraulic flat cam is listed for Chevrolet small blocks including 350, and its .479/.465-inch lift figures distinguish this grind from milder street profiles.

The 227/241 profile and 107-degree separation are presented as the source of the Thumpr’s aggressive idle character, rather than a claim of a mild-running cam. Its hydraulic flat-tappet design and listed .479/.465-inch lift give a builder specific profile details to weigh for a street-oriented 350. The listing identifies high-performance lifters with the cam, and the stated SBC coverage includes 283, 327, 350 and 400. Its choppy idle is a practical match consideration.

Skip it if you want a defined 2,000–5,800 RPM range and a K-Kit; COMP Cams K12-600-4 lists both.

Pick this Thumpr for a Chevrolet 350 street build where a rough, race-car-style idle is part of the goal. The 107-degree separation and overlap define its character, so consider that idle behavior alongside the engine’s intended use.

Listed on Amazon as: Genuine COMP CAM 12-600-4 Thumpr 227/241 Camshaft & Enginetech High-Performance Lifters | LIFT: .479/.465" | Kit FITS Chevrolet SBC 283 327 350 400 5.7 5.7L

#7

7. COMP Cams K12-601-4

• Weight: 21.2 lb
• Dimensions: 26 x 10.5 x 5 in

Best for: Prepared street-strip combinations.

Why it ranks #7: Its 235/249-degree grind targets street/strip use and includes lifters, but the listing calls for 9:1 compression and a 2,500-plus stall converter.

A 235/249 duration profile at .050 inch gives the COMP Cams Mutha’ Thumpr K-Kit a more demanding street/strip focus than the 227/241 Thumpr. Its 2,200–6,100 RPM range, 107-degree lobe separation and rough idle are paired with stated requirements for 9:1 compression and a 2,500-plus stall converter.

The 235/249 duration and .489/.476-inch lift describe a higher-output-oriented profile, while the 2,200–6,100 RPM operating range frames where the listing places its use. The stated combination calls for 9:1 compression, a 2,500-plus stall, intake, gears and headers, which makes supporting parts central to planning a 350 build. The K-Kit includes the cam and hydraulic flat lifters; its exact additional contents should be checked because kit contents vary.

Skip it if you have a stock-converter street build; COMP Cams K12-600-4 lists stock-converter compatibility and a milder 227/241 profile.

This K-Kit is for a 350 street/strip builder with the listed compression, converter, intake, gearing and header support. Its rough idle and 2,200–6,100 RPM range suit a prepared combination, not a stock-converter setup.

Listed on Amazon as: COMP Cams K12-601-4 Mutha' Thumpr 235/249 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

#8

8. COMP Cams 12-600-4 Thumpr Kit

Best for: Complete-parts Thumpr builds.

Why it ranks #8: This bundled 227/241-degree Thumpr adds lifters, timing components, springs and push rods, but the available data does not establish detailed compatibility for every build.

The title’s combination of Z28-style high-performance springs, double-roller timing, push rods and lifters differentiates this COMP Cams Thumpr kit from cam-only listings. Its 227/241 profile and 107-degree separation produce the rough, choppy idle described in the listing, while its stated Chevrolet small-block coverage includes 350 and 5.7L applications.

A 227/241 duration at .050-inch profile and .479/.465-inch lift give the Thumpr a specific performance profile, while 107-degree separation and long exhaust overlap account for its rough idle. The title lists high-performance lifters, Z28-style springs, double-roller timing and push rods, bringing several named components into one build workflow. The stated fit includes Chevrolet SBC 283, 327, 350 and 400. Its strong idle character remains an important street-use consideration.

Skip it if you want a clearly stated 2,000–5,800 RPM range and stock-converter guidance; COMP Cams K12-600-4 provides both.

This package suits a Chevrolet 350 builder seeking a Thumpr idle with multiple named valvetrain and timing components listed together. Its 107-degree separation and rough idle are defining traits, so weigh those against everyday street manners.

Listed on Amazon as: Genuine COMP CAM 12-600-4 Thumpr 227/241 Kit | LIFT: .479/.465" | High Performance Lifters | Double Roller Timing | Z28 Style HP Springs | Push Rods | FITS Chevrolet SBC 283 327 350 400 5.7 5.7L

#9

9. COMP Cams Big Mutha Thumpr Kit

Best for: Aggressive-idle street builds.

Why it ranks #9: The 243/257-degree, .500/.486-inch-lift grind is listed for SBC 350, but its radical 107-degree idle and race-oriented character limit street suitability.

A 107-degree lobe separation angle and massive overlap give the COMP Cams Big Mutha Thumpr 243/257 its defining radical idle. That sound-forward hydraulic flat-tappet profile suits a 350 build where an unmistakable pro-street exhaust note is a priority, while the listing also names lifters, double-roller timing components and push rods.

The 243/257 duration and .500/.486-inch lift identify this as the more aggressive Big Mutha Thumpr profile, while its 107-degree separation and overlap shape the rough idle. The title lists high-performance lifters, double-roller timing and push rods with the cam, offering several named pieces for an engine-build workflow. Its listed fit includes Chevrolet small blocks from 283 through 400, including 350 and 5.7L applications. The pronounced idle character is a key operating consideration.

Skip it if you want a milder idle and a defined 1,300–5,600 RPM range; COMP Cams K12-238-2 lists that operating range.

Choose this kit for a Chevrolet 350 builder prioritizing a conspicuous pro-street idle and the listed supporting components. Its aggressive overlap and radical sound are central to the package, so it is a poor match when a mild, unobtrusive idle matters.

Listed on Amazon as: Genuine COMP CAM 12-602-4 Big Mutha Thumpr 243/257 Camshaft | LIFT: .500/.486" | High-Performance Lifters | Double Roller Timing | Push Rods | Kit FITS Chevrolet SBC 283 327 350 400 5.7 5.7L

#10

10. COMP Cams CL12-602-4

• Weight: 13.23 lb
• Dimensions: 25.3 x 5.4 x 3 in

Best for: High-stall Big Mutha builds.

Why it ranks #10: This Big Mutha Thumpr offers 243/257 degrees duration and a 2,500–6,400 RPM range, with stated 9.5:1 compression and 2,800-plus stall requirements.

The 243/257 duration at .050 inch makes the COMP Cams Big Mutha’ Thumpr CL12-602-4 the most demanding profile in this set. Its 107-degree separation creates the listed very rough idle, while the 2,500–6,400 RPM range and stated 9.5:1 compression and 2,800-plus stall requirements define its street/strip combination.

The .500/.486-inch valve lift and 243/257 duration at .050 inch describe an aggressive profile, while the 2,500–6,400 RPM range sets a high operating window for planning. The listing calls for 9.5:1 compression, a 2,800-plus stall, intake, gears and headers, so supporting the cam is central to a 350 build. The CL kit includes a camshaft, lifters, instructions and assembly lubricant. Its 107-degree separation also brings the specified hard-hitting exhaust note.

Skip it if you need stock-converter compatibility; COMP Cams K12-600-4 lists it, with a less demanding 227/241 profile.

Choose this for a 350 street/strip build equipped for the listed compression, high-stall converter, intake, gears and headers. Its very rough idle and 2,500–6,400 RPM range make the supporting combination a key fit consideration.

Listed on Amazon as: COMP Cams CL12-602-4 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block