Craft the perfect camshaft for your LS engine with a custom design tailored to your build’s needs! We focus on picking the ideal lobe to match your engine’s setup, ensuring top performance for street, strip, or drag racing. With countless lobe options out there, each with unique ramp rates, it’s not just about lift and duration. Two lobes might share the same .050” duration and lift, but how fast they move the lifter can make or break your build. Our goal? Nail the right lobe to keep your va...

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

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...

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...

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...

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...

Ready to build a monster LS engine? This Dart LSN SHP Engine Block is your starting line, prepped and primed for street/strip heroes or drag strip titans! Machined to perfection for LS platforms like LS3, LS7, or LSX, it’s built to support 800-1800hp with a 4.125" bore, making it ideal for turbo, supercharged, or naturally aspirated setups. With cam bearings, freeze plugs, and oil galley plugs already installed, you’re steps ahead on your custom build. Need help choosing cranks or rods? Call ...

Jumpstart your LS build with this Dart LSN SHP Engine Block, the perfect foundation for street/strip brawlers or drag-ready LS engines! Prepped for LS platforms like LS1, LS3, or LSX with a 4.125" bore, it’s ready to support 700-1500hp for supercharged street cars or single-turbo drag setups. Fully machined with cam bearings, freeze plugs, and oil galley plugs installed, it’s a time-saver for your custom project. Call 210-446-0960 to match it with the right crank and rods for your build! Her...

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...

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

Provides clearance for a 4.125” stroke with steel rods Features two 3/4” NPT drain back ports Includes all necessary hardware, pick-up tube, gaskets, and internal baffle sheet

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...

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 ...

Clears 4.125” stroke with steel connecting rods Includes two 3/4” NPT drain back ports Kit includes hardware, pick-up tube, gaskets, and baffle sheet

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...

Designed to clear up to a 4.125” stroke with steel connecting rods Includes all necessary hardware, pick-up tube, gaskets, and internal baffle sheet