10 Best Double Roller Timing Set 2026

⚡ Quick Verdict

📋 How We Evaluated

Evaluation focused on build quality, including gear material, chain construction, and machining finish. Performance and practicality considered adjustability, timing accuracy claims, and whether kits include the required gears. Value and suitability used available specifications and Amazon-style rating signals, though ratings were not provided.

Fitment	1978-1986 Chevrolet V6 and 265-400 small block
Cam Gear Material	Cast iron
Crank Sprocket Material	Induction hardened billet steel
Adjustability	Three keyways; middle for zero advance, other positions for 4 degrees advance or retard

What We Found

The COMP Cams 3100 Hi-Tech set targets 1978 to 1986 Chevrolet V6 engines. It also fits 265 to 400 small block platforms. It uses a cast iron camshaft gear and billet steel crank sprocket. Three keyways allow for zero-degree installation or 4 degrees of advance or retard.

The chain is pre-stretched and heat-treated. It features a large pin design for timing accuracy. The set is designed for high load conditions.

Who It’s For

This choice fits builders who plan to degree a cam, chase tighter timing accuracy, or run harder loads than a simple cruiser. It suits Chevy V6 and 265-400 small-block owners spanning 1978-1986 who want adjustable and quality-controlled timing hardware.

The pre-stretched chain and tight tolerance claims align with longevity-focused race and performance maintenance. It also helps shops that measure run-out and prefer dynamically balanced components. With no rating or price data, cost sensitivity remains, but the stated race-oriented construction justifies premium expectations if compatible.

Engine Compatibility	Chevy/Chevrolet/GMC 396 402 427 454 big block engines
Includes	Crankshaft gear, timing chain, and camshaft gear
Fitment Window	1965-1995 cars and light trucks without factory roller camshaft
Finish	Machined exterior finish

What We Found

Cloyes offers a complete set for Chevy and GMC big-block engines. It covers the 396, 402, 427, and 454 cid sizes. The kit includes the crankshaft gear, timing chain, and camshaft gear. This eliminates compatibility gaps found in partial sets.

It fits 1965 to 1995 cars and light trucks without factory roller camshafts. The double roller layout provides improved strength and reliable timing.

Who It’s For

This kit suits big-block Chevy owners restoring classic platforms or refreshing driver vehicles that lack factory roller camshafts. It also fits light trucks and cars where a dependable, OEM-style double-row replacement simplifies maintenance. The included gears make it ideal for shops that want fewer line items and cleaner installation.

It pairs well with stock and mild performance builds where timing stability and longevity matter more than aggressive tuning features. With no rating data, value hinges on price, but the complete-in-box approach reduces risk for most buyers.

Fitment	GM LS Series engines including 4.8L 5.3L 5.7L 6.0L
Chain	0.250 in double roller, heat treated and polished
Adjustment	5-piece dowel pin insert kit for +/- 4 degree cam adjustment
Cam/Sensor	3-bolt cam with one sensor

What We Found

The Billet Double Roller Timing Set targets GM LS-series engines, including 4.8L, 5.3L, 5.7L, 6.0L, and related variants. It emphasizes precision hardware with a double roller 0.250 inch chain that is heat treated and polished.

A standout feature is the included 5-piece dowel pin insert kit for plus or minus 4-degree cam adjustment, which supports degreeing workflows for LS builds. The kit also specifies a 3-bolt cam design with one sensor, aligning it with particular sensor and cam housing setups.

This approach focuses on modern platform accuracy and adjustment using billet-style components, rather than relying on partial replacements. For LS owners performing cam timing refinement, this offers a targeted package built around adjustment parts.

Who It’s For

This timing set fits LS-series owners who want built-in cam timing adjustment and a billet-style hardware focus. It suits installs involving camshafts, re-timing after engine refresh, or tuners who prefer consistent degreeing. The plus or minus 4-degree adjustment kit supports fine control for street and performance builds.

It also helps builders who want the correct sensor and cam bolt arrangement matched in the kit. Since ratings and price are not provided, buyers should confirm exact LS variant fitment, especially around sensor and cam configuration, before ordering.

Engine	Small Block Ford SBF 302
Cam Specs	.474/.498 lift and 214/224 duration
Timing Set Type	True double roller timing set
Included Components	6.876″ push rods and premium Redline lifters

What We Found

ES1020R Stage 2 HP Torque Camshaft & Performance Kit bundles a small block Ford 302 cam package with a true double roller timing set plus related components. It includes the Enginetech ES1020R Stage 2 camshaft, a true double roller timing set, 6.876-inch push rods, and premium Redline lifters.

The kit targets an aggressive Stage 2 profile with .474/.498 lift and 214/224 duration, which aligns timing accuracy with an overall valve-train upgrade path. The listing emphasizes that the double roller timing set reduces chain stretch to improve cam timing and valve train stability.

As a bundle, it reduces the risk of mismatched parts when building a full Stage 2 setup. Compared with standalone timing sets, it stands out because timing hardware arrives already paired with other performance-critical components.

Who It’s For

This kit suits small block Ford 302 builds that need more than timing chain replacement. It fits owners upgrading to a Stage 2 cam profile and wanting matched push rods and lifters for coherent performance.

The bundled double roller timing set supports accurate cam timing for the more aggressive duration and lift. It also helps builders avoid separate ordering steps and compatibility surprises across multiple parts. For buyers who only need a timing set, the bundle can be unnecessary cost.

With no rating data, decision value depends on how closely the Stage 2 specs match the desired driving character.

Fitment	Ford 5.0L and 351 Windsor (1984-1992)
Cam Gear Material	Induction hardened cast iron
Crank Sprocket Material	Billet steel
Adjustability	Three keyway; 4-degree increments, up to 4 degrees advance or retard

What We Found

The COMP Cams 2138 Magnum double roller timing set targets Ford 5.0L and 351 Windsor engines from 1984 to 1992, covering popular small-block applications. It pairs an induction hardened cast iron camshaft gear with a billet steel crank sprocket for durability under street use.

The three keyway crank sprocket enables 4-degree incremental adjustability and provides up to 4 degrees maximum advance or retard. The set uses a heavy-duty, heat-treated true double roller timing chain, with the listing noting the chain can be available separately.

For many mild street builds, this adjustability offers practical tuning when cam timing needs correction after installing new components. Materials and design focus on timing accuracy, while the “magnum” framing aligns with stronger expectations than budget timing sets.

Who It’s For

This timing set suits owners of 5.0L or 351W engines who want durable double-row timing plus simple, meaningful adjustability. It fits well in mild street performance setups that may involve cam swaps, regrinds, or maintenance after chain wear. The keyway system supports degreeing without requiring aftermarket adjustable sprockets.

It also works for DIY installers who want clearer tuning options. With no rating or pricing data, overall value depends on cost, but the component materials support the asking price when aligned to compatibility.

Application	Ford Cleveland
Cam Gear Material	Induction hardened cast iron
Crank Sprocket Material	Billet steel
Adjustability	Three keyway; 4-degree incremental adjustment, up to 4 degrees advance or retard

What We Found

COMP Cams 2121 Magnum double roller timing set targets Ford Cleveland engines and uses the brand’s common Magnum material approach. It pairs an induction hardened cast iron camshaft gear with a billet steel crank sprocket designed to resist wear and maintain timing.

The three keyway crank sprocket adds 4-degree incremental adjustability, with up to 4 degrees maximum advance or retard. It uses a heavy-duty, heat-treated true double roller timing chain, and the listing notes the chain is available separately.

This set frames itself for mild street performance, which fits buyers seeking increased timing stability over older or stretched chains. The keyway adjustment helps correct cam timing after service work. The overall focus is durable components and practical tuning for Cleveland builds.

Who It’s For

This kit suits Ford Cleveland owners who want a reliable double roller setup with modest adjustability for cam timing correction. It works well for mild street performance engines where timing stability improves drivability and protects the valve train.

The keyway sprocket supports degreeing after cam replacement, without requiring additional adjustable hardware. It also fits DIY and shop installs needing a familiar Magnum-style build. Since no rating or pricing data appears, buyers should confirm exact Cleveland compatibility first, then evaluate cost versus materials and adjustability.

Application	Big Block Chrysler
Cam Gear Material	Induction hardened cast iron
Crank Sprocket Material	Billet steel
Adjustability	Three keyway; 4-degree increments, up to 4 degrees advance or retard

What We Found

COMP Cams 2104 Magnum focuses on big-block Chrysler applications and emphasizes hardened gear durability. The set pairs an induction hardened cast iron camshaft gear with a billet steel crank sprocket, aiming to resist wear and maintain timing accuracy.

A three keyway crank sprocket provides 4-degree incremental adjustability and allows up to 4 degrees maximum advance or retard. It uses a heavy-duty, heat-treated true double roller timing chain, and the listing notes the chain may be available separately.

The stated intent aligns with mild street performance, where improved timing stability matters, yet extreme race demands may not require specialized race-ready hardware. Overall, it brings the key ingredients for dependable timing: stronger materials, double-row control, and modest tuning capability.

Who It’s For

This timing set suits Chrysler big-block owners who want a durable double roller replacement plus small adjustment capability for cam timing. It fits well in mild street builds where maintenance quality and predictable operation matter most.

The keyway sprocket supports degreeing workflows after a cam change, so timing can be corrected without adding an expensive adjustable sprocket. It also fits shops that prefer consistent installation hardware and clear adjustment steps.

Without price or rating data, it remains best evaluated by compatibility confirmation for the specific engine and build goals.

Engine Compatibility	Gen 1 small block Chevy 283 305 307 327 350 400 V-8 (1957-1985)
Design	Double row timing chain and gears
Finish	Precision machined exterior
OEM Reference	Direct replacement for OEM part 12721599

What We Found

This J MARTIN AUTO set targets Gen 1 small-block Chevy engines from 283 through 400. It covers common rebuild windows from 1957 to 1985. The double row design increases strength and timing stability compared to single-row setups. It features a machined finish for accurate fitment.

This kit acts as a direct replacement for OEM part 12721599. It focuses on fitment correctness rather than performance adjustability.

Who It’s For

This fits classic Chevy owners who want a reliable replacement. It works well for restoring a stock or mildly refreshed small block. I would shortlist this for shops focusing on 283 to 400 builds. It avoids complex degreeing procedures, making it a predictable choice.

Application	71-01 Ford cars and trucks
Engines	255 289 302 351W V8
MPN	20498
Type	Upgraded double-roller timing chain set

What We Found

The Double Roller Timing Set for 71-01 Ford cars and trucks targets 255, 289, 302, and 351W V8 engines and presents as an upgraded double-roller timing chain solution.

It calls out improved engine performance and durability for classic Ford V8 applications, and it explicitly positions itself for repair and performance use. The included MPN is 20498, which helps narrow sourcing when matching parts.

The listing includes basic application coverage rather than detailed material claims, so gear materials, chain construction specifics, and adjustability features remain unspecified. That said, the intent aligns with typical double-row replacement goals: reduce stretch, improve timing stability, and support longer service intervals.

This kind of kit often appeals to restorations where part number matching matters more than performance tuning features.

Who It’s For

This kit fits Ford owners maintaining classic 255, 289, 302, and 351W V8 engines across broad model-year coverage. It works best for rebuilds that focus on dependable timing control rather than cam degreeing.

It suits drivers who want a double-row replacement to address chain stretch and timing drift while keeping the build relatively straightforward. The MPN helps shops verify compatibility and reduce ordering errors.

With no rating or pricing data, value depends on cost versus availability, but the application breadth can simplify selection for classic Ford communities.

Application	1978-1986 Chevrolet V6 and 265-400 small block
Design	Double row timing set
Fit Type	Universal Fit
Country of Origin	United States

What We Found

The Competition Cams 2100 Magnum double row timing set lists universal fitment for 1978 to 1986 Chevrolet V6 and 265 to 400 small block applications. However, the provided details mainly focus on package dimensions and origin, with limited information on materials, chain construction, or adjustability.

The key feature section does not describe sprocket materials, chain heat treatment, or whether the crank gear includes keyways for degreeing. That makes build-quality evaluation harder than with the other COMP Cams entries that specify induction hardened gears and keyway increments.

From a buyer perspective, the core promise remains a double row timing setup intended to improve timing stability, but the evidence for durability specifics is thin in the listing details supplied.

Who It’s For

This option can work for owners seeking a basic double-row timing replacement for Chevy V6 and small-block combinations. It suits routine refresh projects where strict degreeing is not required and where a known compatible part number or prior shop experience guides selection.

The listing’s universal fit claim may attract buyers who want fewer compatibility checks, but the lack of material and adjustability details increases uncertainty. For DIY installers, this can be risky unless the seller or compatibility chart confirms the exact application. Without ratings and deeper specs, value remains difficult to validate.

What to Look For Before Buying

Finding the right double roller timing set starts with engine compatibility. You must check the year, block type, and camshaft style. Next, prioritize gear and chain quality. Materials and heat treatment affect how long your timing lasts.

I would also look for keyway features if you need to degree your cam. Finally, check if the kit is complete or only includes partial parts.

Check Verify exact engine fitment and camshaft style

Confirm your engine displacement and model years before you buy. Check if your vehicle uses a roller camshaft. Some kits only target non-roller applications. Match your crank and cam gear profiles to avoid misalignment. Use part numbers to cross-check the seller’s chart. If details are vague, ask for confirmation first.

Value Compare what the kit actually includes

Look for kits that include the crankshaft gear, camshaft gear, and chain. Some sets list the chain as available separately. This can add extra costs to your project. Bundled kits might include push rods and lifters. If you already have those parts, a standalone set is better.

Total completeness often matters more than brand names.

Rating Use rating signals, but validate specs

Ratings can indicate reliability, but specs are more important. Look for induction hardened gears and billet sprockets. Check for heat-treated chain construction. A machined finish suggests better assembly accuracy. Avoid products that offer very little material information. Treat vague listings as a higher risk.

Verify Choose adjustability for cam-degreeing workflows

Prioritize sets with keyway adjustability if you plan to degree your cam. Three keyway sprockets provide predictable timing targets. If your build is near stock, non-adjustable kits are fine. For LS platforms, verify the included dowel pins. Adjustability only matters if your build strategy uses it.

Frequently Asked Questions

What does a double roller timing set improve compared with a single row setup?

A double roller set increases contact area between the chain and sprocket. This helps resist stretch and maintains consistent timing. It can improve valve-train stability as mileage grows. The benefit relies on correct installation and gear alignment.

Do all double roller timing sets include both crank and cam gears?

Not always. Some kits are complete with all gears and the chain. Others only provide partial components. Always check the includes section before buying. If a gear is missing, you will need to order it separately.

How much timing adjustment do keyway sprockets typically provide?

Many performance kits use a three keyway design. This often allows for 4 degrees of adjustment per step. The maximum advance or retard may be limited. Always confirm the specific range for your engine.

Is machined exterior finish important on timing gears?

A machined finish suggests tighter tolerances. This can support more precise fitment and stable alignment. While it does not guarantee performance, it usually means better manufacturing. I would still check the materials and chain quality.

When should a double roller timing set be replaced during an engine refresh?

Replace it if you notice chain stretch or timing drift. It is also smart to replace these during an engine rebuild. New timing hardware ensures accuracy during a cam swap. Always follow your engine service manual for installation.

🎯 Final Verdict

Cloyes is my top pick for a big-block replacement. It is a complete kit with gears and the chain. The machined finish supports accurate fitment for many applications. The best alternative is the COMP Cams 2138 Magnum. It features billet steel and adjustable keyways for Ford builds.

Confirm your compatibility before you order.