Compatible with most common chassis setups Provides clearance for a 3.622” stroke using steel rods Includes all hardware, pick-up tube, gaskets, and internal baffle sheet

Compatible with most common chassis configurations Clears up to a 3.622” stroke with steel connecting rods Includes all hardware, pick-up tube, gaskets, and internal baffle sheet

Built from a 4340 billet steel alloy, this 4.000" LS crankshaft is forged using non-twist machinery, shot peened to reduce stress, heat treated for strength, and nitrided to resist surface wear. Each crankshaft comes with a pre-installed reluctor wheel for added convenience. LS 4.000" 6-Counterweight Crankshaft: 4.000" Stroke 6-Counterweight Design Gun-Drilled Main Journals Standard LS Wet Sump Snout 4340 Forged High-Tensile Strength Alloy Rated for up to 1,300 horsepower Average Weight: 53 ...

Rev up your LS build with this 4.000" 8-Cwt Crankshaft, tailored for wet-sump engines that pack a punch! Ideal for street/strip cars or drag builds, it’s built to thrive in LS1, LS2, or LS3 setups pushing up to 1700hp. Whether you’re boosting a weekend warrior or crafting a daily driver with serious grunt, this crank delivers smooth, reliable power. Forged from 4340 steel, it’s tough enough for supercharged or turbocharged LS blocks, and the reluctor wheel is pre-installed to save you time. C...

Our 4.125" LS crankshafts are engineered from a 4340 billet steel alloy, forged using non-twist technology, and shot peened to reduce surface stress. Each crankshaft is heat-treated to increase tensile strength and nitrided for enhanced surface durability. The reluctor wheel comes pre-installed for easy setup. LS 4.125" 6-Counterweight Crankshaft: 4.125" Stroke 6-Counterweight Design Gun-Drilled Main Journals Standard LS Wet Sump Snout 4340 Forged High-Tensile Alloy Rated for up to 1,300 hors...

These LS 6.125" H-Beam rods are built from a high-strength 4340 steel alloy billet, shot peened to reduce surface stress, and heat treated for increased tensile strength. They feature a durable bronze-bushed wrist pin and include SP8740 7/16" fasteners, making them ideal for high-performance applications. LS 6.125" 4340 H-Beam: 6.125" Length Center-to-Center 4340 Forged High Tensile Strength Alloy Bronze Bushed .927" Wrist Pin 2.100" Precision Honed Crank Pin SP8740 7/16" Rod B...

Unleash epic power in your LS engine with these 6.125" 300m H-Beam Connecting Rods, engineered for the most extreme LS builds! Whether you’re building a 1500+ hp drag monster or an endurance racer that thrives under relentless boost, these rods are your ticket to durability. Designed for LS platforms like LS3, LS7, or LSA, they’re perfect for big-turbo or supercharged setups pushing the limits. Forged from ultra-tough 300m steel, they feature bronze-bushed wrist pins and ARP2000 bolts to h...

Upgrade your LS engine with these 6.125" 4340 H-Beam Connecting Rods, built to handle the punishment of high-horsepower builds! Perfect for street/strip warriors or all-out drag racers, these rods are designed for LS platforms like LS1, LS3, or LS7, delivering rock-solid reliability under extreme boost or NA setups. Crafted from high-tensile 4340 steel, they’re ready for 1000+ hp applications, with bronze-bushed wrist pins and heavy-duty ARP2000 bolts to keep everything locked tight at red...

Build your dream LS engine with the same battle-tested parts trusted in top LS builds, now available as a precision-balanced rotating kit! Whether you're chasing quarter-mile glory or building a street beast, our kits are tailored to your goals. Pick your horsepower target, match it to your LS block (LS1, LS3, or LS7), choose your crankshaft stroke, and select pistons to hit your compression sweet spot. Every kit comes with race-ready coated tri-metal bearings and piston rings optimized for y...

Build your LS engine with confidence using this precision-balanced rotating assembly kit, loaded with high-performance components to match your horsepower goals. Whether you're planning an 800hp street build or a 1700hp drag monster, each rotating kit is tailored to your bore, stroke, and piston volume. Every crankshaft is digitally balanced on a Hines Legend balancer to ensure smooth, dependable power delivery. Kits include coated tri-metal main and rod bearings, plus piston rings selected t...

Keep your LS engine running cool and clean with this 4 Corner Steam Vent Kit, a must-have for high-hp street machines and drag racers! Designed to purge trapped steam and gases from the rear cylinders of LS3, LS7, or LSX engines, it’s perfect for builds pushing 800-2000hp with turbos, superchargers, or naturally aspirated setups. The kit’s clever swivel O-ring fittings make installation a breeze, and the raised outlet tube clears fuel rails and injectors like a champ. Say goodbye to heat issu...

Supercharge your LS7 build with this 4.000" 8-Cwt Crankshaft, designed to dominate in high-horsepower applications! Built for LS7 dry-sump engines, it’s the perfect backbone for drag racers chasing 1700hp or street enthusiasts craving massive torque. Whether you’re spinning up a twin-turbo monster or a naturally aspirated beast, this crank delivers unshakeable strength for LS7 blocks with a 4.125" bore. Forged from 4340 steel, it’s ready to handle extreme boost, and the reluctor wheel comes p...

Rectangle Port R1: .615”/.615” valve lift with 1.7 rocker 229/242 duration @ .050” 112 LSA with 4° advance Rectangle Port R2: .618”/.615” valve lift with 1.7 rocker 233/250 duration @ .050” 113 LSA with 5° advance Rectangle Port R3: .622"/.622" valve lift with 1.7 rocker 240/252 duration @ .050" 112 LSA with 4° advance Rectangle Port R4: .624”/.615” valve lift with 1.7 rocker 245/256 duration @ .050” 113 LSA with 5° advance Rectangle Port R5: .622"/.622"...

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The Power Adder SBC Short Block is built to handle serious power from turbochargers, blowers, or nitrous—perfect for your next forced induction build. For supercharged applications, we highly recommend the dual 3/16" keyway crank option. The ATI Blower Balancer features both SBC and Chrysler bolt patterns with a thick BBC hub, requiring a matching ATI timing cover and BBC seal. Compression ratios are calculated using 65cc cylinder heads. Available Configurations: Engine ...

Provides clearance for a 4.125” stroke with steel rods Includes all necessary hardware, pick-up tube, gaskets, and internal baffle sheet