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Our BP Stage 2 Cylinder Head package includes a fully rebuilt cylinder head complete with upgraded Dual Valve Springs and Titanium Retainers. Over the past few years, we have been developing a short block for those looking to build a motor that can withstand the 1,500WHP mark. We're please to introduce our 1,500WHP Red Demon Spec Short Block, which is the answer you high horsepower Mitsu guys have been searching for! Our Boostin Performance 1/2" L19 Head Stud kit is the same one that we use on the 4 Cylinder AWD & H-Pattern Manual Transmission record setting Red Demon, which has run multiple 7 second passes in the 1/4 mile, and numerous 213+mph passes in the 1/2 mile. This BP Head Stud Kit has been tested to 70+ PSI boost pressure without any issue.
Our BP Stage 3 Cylinder Head package has proven itself in some of the most powerful and fastest 4G63's in the country! The foundation of the Boostin Performance short block starts with a freshly decked, bored, and honed engine block. The foundation of the Boostin Performance short block starts with a freshly decked, bored, and honed engine block.
The foundation of the Boostin Performance short block starts with a freshly decked, bored, and honed engine block. Get rid of your balance shafts without removing a major oil pump support bearing with our Race Balance Shaft Eliminator Kit for your 4G63/4G64! ARP Custom Age 625+ Head Studs were designed for all of your 7-bolt DSM or Evo 8/9 race fans pushing 35+ psi.
ARP Head Studs are a "must have" modification for any 6-bolt DSM wanting to push 20+psi. ARP Head Studs are a "must have" modification for any 7-bolt DSM or Evo 8/9 wanting to push 20+psi. ARP2000 Main Stud kit for your 4G63.
ARP Stainless Steel Exhaust Manifold Stud Kit for the 7-bolt DSM/EVO. ARP Assembly Lube (0.5 Oz) packet.
**FREE SHIPPING**
Designed to withstand higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings.
Designed to withstand higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. OEM Mitsubishi Flywheel Bolts.  (Priced individually)

Ever wonder how to mate your 75mm Throttle body to your throttle cable cleanly with your Magnus intake manifold? Magnus has devised a simple solution that has the correct diameter wheel so you CANNOT BREAK your throttle shaft ever again.

The STM Aluminum Weld-On 2" Bung & Cap are the perfect match for those DIY fabrication reservoir and overflow projects. The cap is anodized with a black finish and includes the o-ring seal. AEM Adjustable Cam Gear for the DSM.
Cams - Kelford Cams (DSM)
Our Price: $593.75
Fidanza Adjustable Cam Gears for the DSM/Evo 8.  Price is for both gears. GSC Power-Division billet cams for your DSM are available in multiple durations – S1 (268 duration); S2 (274 duration); S3 (280 duration).

**Currently Backordered**
Kelford Cams for your DSM. Available in 264, 272, 280, and 288 duration.

Catch Can - Universal
Our Price: $99.00
Designed specifically for the 1g DSM, this catch can is CNC machined entirely from 6061 aluminum. It also features a 2-piece bolt together design with internal baffling and an O-ring seal. Universal Catch Can can be used and installed on any car. OEM Mitsubishi 4G63 Oil Dipstick
Dipstick - Spring
Our Price: $6.00
OEM Mitsubishi Dipstick tube for the 2G DSM. Dipstick spring for the Mitsubishi Evo.  Price is for the spring ONLY. Fluidampr Harmonic Balancer for the DSM.