Decoy SV-34H S.G. Head Heavy

The Decoy SV-34H S.G. Head Heavy (Salt Groove Heavy) is a super-heavyweight, open-hook jig head precision-engineered in Japan for deep-water predator hunting. Written by Gerry’s Fishing, this description highlights how Decoy took their incredibly popular, versatile saltwater blueprint—the original S.G. Head (SV-34)—and massively stepped up the scale to target deep-dwelling monsters.

By pairing massive, extra-heavy forged hooks with ballast weights up to 100g, the SV-34H allows you to launch extra-large soft plastics deep into strong tidal currents, deep-water wrecks, and rocky abysses, breaking the boundaries of traditional soft plastic presentation.

Detailed Specifications

• Model: Decoy SV-34H S.G. Head Heavy

• Rig Type: Open-hook, aerodynamic heavy saltwater jig head

• Hook Style: Super-heavy wire, forged high-carbon Japanese steel

• Finish: Corrosion-resistant, double-nickel (W Nickel) plating

• Head Shape: Hydrodynamic bullet/pointed-nose profile with a low center of gravity

• Keeper System: Dual-barb lead collar system with secondary wire grip lines

• Auxiliary Feature: Integrated bottom-facing Assist Eyelet for secondary hook or blade rigging

• Available Size & Weight Matrix:

Key Features & Design Performance

• Deep-Water “Salt Groove” Taper: The head shape features a pointed, bullet-nose geometry explicitly designed to slash through heavy current seams and plummet straight down into deep water without spinning or drifting off-course. This hydrodynamic profiling maximizes structural feedback, letting you feel every bottom contour even at extreme depths.

• The Bottom Assist Eyelet: Positioned neatly beneath the throat of the lead head is a reinforced stainless steel assist eyelet. This is a game-changing feature for deep-water tactics, allowing you to cleanly rig an extra treble hook (such as a Decoy Blade Treble Y-S21BT) to convert short-paying strikes, or attach a custom trailing spinner blade to introduce massive visual flash in dark, deep-water environments.

• Dual-Barb Anchoring Matrix: Soft plastics fished at great depths face immense water resistance and fast retrieves. To prevent heavy shads from shifting or collapsing down the hook shank, the SV-34H incorporates an upgraded lead holding collar with dual mechanical barbs. This locks the plastic body flush against the back of the head, drastically extending the working life of your lures.

• Monster-Gauge Forged Strength: Built on a super-heavyweight high-carbon steel chassis, this hook is forged to handle the absolute limits of modern heavy tackle. The hook possesses exceptional rigidity and structural memory, meaning you can lock down heavy dragging winches and pull hard-fighting predators out of deep structure without the wire flexing or opening up.

Examples of Where to Use It

• Deep-Wreck Pollack & Cod Jigging: The ultimate benchmark tool for mounting large 6″ to 8″ paddle tails or long sandeel plastics to vertically jig down deep saltwater wrecks, reefs, and rocky drop-offs for trophy-sized pollack, cod, and coalfish.

• Heavy Offshore Sea Bass Boat Games: Exceptional for casting big shads from boats into deep, fast-moving tidal races, overfalls, and sandbanks where big bass lie in wait close to the seabed.

• Deep-Water Rockfish & Grouper Prospecting: Specifically tailored for targeting outsized bottom predators such as heavy groupers, wrasse, and bluefish, allowing you to maintain absolute bottom contact in uncharted deepwater zones.

Pro Tip

The Deep-Water Blade Treble System: The lower assist eyelet is an incredible asset that should never be ignored when fishing deep water where light penetration is low. Try attaching a Decoy Blade Treble Y-S21BT via a heavy-duty split ring to that bottom loop. The built-in small spinner blade will spin dynamically beneath the chin of your swimbait, projecting high-frequency vibrations and a brilliant flashing trail that draws curious predators from yards away. When a fish strikes at the flash from below, the treble hook guarantees an immediate hook-up, bypassing the common problem of fish missing the main top hook.

Frequently Asked Questions

How does the SV-34H Heavy differ from the original standard SV-34?

The standard SV-34 S.G. Head covers traditional inshore sea bass spinning with lighter weights (3.5g up to 21g) and smaller hook sizes (#1 to #4/0). The SV-34H (Heavy) is a heavily reinforced, upscaled variant designed explicitly for offshore and deep-water applications, scaling up to an unprecedented #10/0 hook frame and heavy ballast weights up to 100g.

Does the double-nickel finish protect against harsh saltwater use?

Yes, absolutely. The SV-34H is fully treated with an advanced double-nickel (W Nickel) plating process that forms a highly resilient shield against harsh saltwater oxidization. This preserves both the structural integrity of the lead-and-wire bond and the chemically sharpened needle point through grueling marine campaigns.

What type of rods are required for the heavier 80g and 100g variants?

Because you are pairing a heavy 80g or 100g jig head with a massive soft plastic swimbait (which can easily add another 40g to 60g on its own), your total payload can exceed 150g. For these heavy configurations, it is highly recommended to use heavy offshore jigging rods, specialized heavy boat spinning setups, or dedicated swimbait baitcasting gear paired with high-strength braided mainline (30 lb to 50 lb+) to ensure you have the leverage to drive the thick-gauge hook home cleanly.