The Ultimate Race Motor 2nd to None!

The popular choice of the Fastest and Record holding Hemi owners on the Street and at the Race Track, this custom 10.3.1 compresion 426ci SRT-8 Stroker built by RDP Motorsport is one of the best street/strip racing engines available for Naturally Aspirated SRT-8 or Jeep. Designed and Built to produce over 1000+ horsepower, combine it with our RDP CNC  Ported Heads, custom designed Stroker cams will give you the unltimate in street/strip performance without loosing the street manners which you have come to love from your Hemi. As with all of our motor combinations your benefiting from RDP Motorsports dyno and track testing experience but you are getting our expert tech support which runs 16 hours a day, most days. We are here to make sure you are another great RDP Motorsport winning story.

Fully machined and assembled by the experts at RDP Motorsport, this stroker comes with the K1 Forged 4.080 Crankshaft, K1 Rods, custom RDP Design Wiseco Pistons X forging and Premium low drag Rings and coated Bearings.

Call our sales team at RDP Motorsport on 440 358 5500 for more information on this motor or any of our other awesome products. Let our experts help you plan out your build to a winning result.

Forged stroker assembly (crank,h-beam rods, Wiseco pistons)
K1 Crankshaft 4.080 stroke 2.00 Rod pin
K1 Lite Wt. Billet Rods 6.125
Custom Wiseco Pistons X-forging with 9310 .866 wrist pins
premium low drag piston rings 
Arp Main Studs and Head Studs
Coated h-series bearings mains and rod bearings.
Custom hdy roller camshaft
Psi valve springs
CNC ported and Flowed cylinder heads
Comp cams pushrods

Only twin-screw that's 50-state emissions legal Front entry W175ax (2.9 liters) Whipple twin-screw supercharger that significantly outflows competitions 1.9L and 2.3L roots-type systems Integrated casting to minimize bolt on pieces, adapters, leaks and flow restrictions Integrated Crusher ™ venturi shaped inlet for maximum airflow capacity and minimal rotor cavitations Integrated Crusher ™ 112mm round inlet outflows smaller 90 and 93mm inlets such as other Eaton based systems Integrated Crusher ™ 112mm round inlet for optional 102mm, 105mm and 112mm TB's that outflow others 110mm Big Mouth Whipple Crusher ™ plastic air inlet for increased velocity and lower inlet temps vs. steel and aluminum tubes Optional Crusher™ 120mm (4.75") air inlet system that outflows competition Integrated design allows for oversized intercooler core compared to other smaller intercooler cores giving Whipple lower air charge temps which allows more boost and timing to be run on pump gas Massive air-to-water aluminum bar-plate intercooler offers more cooling than any other positive displacement system available Whipple Superchargers massive oversized intercooled air-bypass system for industry leading reduction of burst knock and incredible fuel economy, no ridiculous fabbed steel tubes Self-contained oversized oil system for dramatically reduced oil temps in even the most demanding conditions Exclusive 3x5 rotor combo for significant increase in airflow under the curve than less efficient 4x6 rotor combo Zero turn inlet allows for decreased induction losses when compared to rear inlet systems and 180deg bends Center discharge port for better cylinder to cylinder distribution then other twin-screws with cobbled together billet adapters and forward facing discharge Discharge down design allows for less pressure loss which gives more power at lower boost levels Top mount design allows for cooler operation then upside down SC's that conduct heat from engine and are trapped by runners and covers, causing hotter manifold temps and less power per pound of boost More boost at the "hit" than any other twin-screw Flat torque curve for incredible acceleration MSD ™ Fuel pump booster with pre-defined voltage curve for less pump duty cycle then other pump boosters, only supplies increased voltage when needed, others are on/off MSD ™ Fuel pump booster voltage curve can be adjusted by user, no need to purchase "competition" version, already included Oversized heat exchanger for incredible intercooler water temps Optional 4.5 liter supercharger for race applications Fits under factory hood with no modifications No internal modifications required Completed installation looks factory installed, not some cobbled together kit with multiple billet adapters Kits come complete with all necessary parts and hardware for installation Unique oil level sight glass for easy oil level and quality check, no dipstick to bind or misread Plug and play wiring, no cutting or splicing High flow air filter system (50-state legal filter system), coolant reservoir is maintained High flow fuel injectors (63lb/hr) Proven 6-rib belt system with heavy duty spring loaded tensioner and adjustable idler system Stainless steel jack-shaft with unique plastic cover for increased safety OEM quick connect fittings for easy installation Complete kits, Tuner kits and Hot Rod kits are available Available in wrinkle black, polish or any custom color Easily upgradeable with big cold air intakes and bigger throttle bodies (102mm or 112mm) Instant boost at the touch of the throttle 3 minute pulley changes 1 year warranty

Forged 427 LS3 Stroker kit, The meanest and strongest kit on the Market