Engine Build Program

In-House Custom Built BP Engines

Building the perfect engine takes research and dedication. Our engines are built to specific HP needs and have been tested on the streets and on the track. We have dedicated years of research to producing an engine that will perform over and over again. Our current short blocks BP500 (500HP), BP600 (600HP), BP700 (700HP), BP900 (900HP), and BP1100 (1100HP) rated engines can get the numbers you strive to hit. Give us a shout if you have any questions or fill configure your engine today!

Tim Novak

In House Engine Builder

Darnell Brown interviews Tim Novak

about his passion and history of building performance engines

Short Blocks

Custom Built To Order

Pick your starting point below and start your journey to that next power goal

Our BP1100 short block takes your track day build and moves the performance and boost to the next level.

We use brand-new OEM EJ257 case halves and crankshafts, paired with forged JE pistons & forged Manley Turbo Tuff Forged I Beam 132.5mm 2mm Longer Connecting Rods with Arp 625+ rod bolts , as well as ACL or King main & rod bearings. Short blocks are built in our dedicated clean facility, and long block assembly is also available.

Brown’s Performance stands behind all of our products, offering a limited warranty with every short block.

** All components are in stock, but please allow a 2-3 week build time as each short block is built to spec **

Brown's Performance BP900 Stage 4 Short Block Features:

  • New OEM STi Block Halves

  • New OEM STi Crankshaft

  • Closed Deck

  • JE 99.75mm Ultra Series Pistons (8.5:1 CR on D25 Cylinder Heads (EJ255) or 8.2:1 CR on B25, V25 and W25 EJ257 Heads with OEM Head Gasket)

  • Manley Subaru EJ20/EJ25 5.216in H Tuff Plus 2mm longer Connecting Rod Set w/ARP625 Rod Bolts

  • New OEM Case Bolts (8 long, 2 short, 1 extra short)

  • Fire-Lock Gasket

  • Pinned Mains

  • ACL or King Race Bearings

  • Short Block Assembly

  • Blackstone Labs Oil Test Kits (2x)

  • Recommended for up to 1100 bhp

Warranty Information:

Brown’s Performance short blocks include a 12 month/12,000 Mile limited warranty, pending engine registration with proof of professional installation & proper maintenance.

We provide two prepaid oil analysis kits from Blackstone laboratories; samples should be taken during the break-in period at 50 and 500 miles. Warranty will be void if these are not utilized.

Our BP900 short block is for those getting serious about track days and really stepping up the performance of your build.

We use brand-new OEM EJ257 case halves with closed decks and crankshafts, paired with forged JE pistons & forged Brian Crower ProH625+ connecting rods and cap screws, as well as ACL or King main & rod bearings. Short blocks are built in our dedicated clean facility, and long block assembly is also available.

Brown’s Performance stands behind all of our products, offering a limited warranty with every short block.

** All components are in stock, but please allow a 2-3 week build time as each short block is built to spec **

Brown's Performance BP900 Stage 4 Short Block Features:

  • New OEM STi Block Halves

  • New OEM STi Crankshaft

  • Closed Deck

  • JE 99.75mm Pistons Subaru EJ25 Ultra Series (8.5:1 CR on D25 Cylinder Heads (EJ255) or 8.2:1 CR on B25, V25 and W25 EJ257 Heads with OEM Head Gasket)

  • Brian Crower EJ257 / EJ255 625+ I-Beam connecting rods with ARP 625+ connecting rod bolts

  • New OEM Case Bolts (8 long, 2 short, 1 extra short)

  • ACL or King Race Bearings

  • Short Block Assembly

  • Blackstone Labs Oil Test Kits (2x)

  • Recommended for up to 900 bhp

Warranty Information:

Brown’s Performance short blocks include a 12 month/12,000 Mile limited warranty, pending engine registration with proof of professional installation & proper maintenance.

We provide two prepaid oil analysis kits from Blackstone laboratories; samples should be taken during the break-in period at 50 and 500 miles. Warranty will be void if these are not utilized.

Our BP700 Stage 3 Short Block is the most popular option for the daily driver who wants to safely turn up the boost with a breathtaking 700bhp.

We use brand-new OEM EJ257 case halves and crankshafts, paired with forged JE pistons & forged Brian Crower ProH625+ connecting rods and cap screws, as well as ACL or King main & rod bearings. Short blocks are built in our dedicated clean facility, and long block assembly is also available.

Brown’s Performance stands behind all of our products, offering a limited warranty with every short block.

** All components are in stock, but please allow a 2-3 week build time as each short block is built to spec **

Brown's Performance BP700 Stage 3 Short Block Features:

  • New OEM STi Block Halves

  • New OEM STi Crankshaft

  • JE 99.5mm Forged Pistons w/ Rings (8.5:1 CR on D25 Cylinder Heads (EJ255) or 8.2:1 CR on B25, V25 and W25 EJ257 Heads with OEM Head Gasket)

  • BC Pro H625+ Forged Connecting Rods

  • New OEM Case Bolts (8 long, 2 short, 1 extra short)

  • ACL or King Race Bearings

  • Short Block Assembly

  • Blackstone Labs Oil Test Kits (2x)

  • Recommended for up to 700 bhp

  • Closed Deck Option Availble

Warranty Information:

Brown’s Performance short blocks include a 12 month/12,000 Mile limited warranty, pending engine registration with proof of professional installation & proper maintenance.

We provide two prepaid oil analysis kits from Blackstone laboratories; samples should be taken during the break-in period at 50 and 500 miles. Warranty will be void if these are not utilized.

Our BP700 short block is the most popular option for the daily driver who wants to safely turn up the boost.

Our BP600 Stage 2 Short Block is the perfect foundation for an entry-level race car, or a reliably boosted daily driver. This short block is designed to handle up to 600bhp.

We use brand-new Subaru OEM EJ257 case halves and crankshafts, paired with forged JE pistons & forged Brian Crower BC2000 connecting rods using ACL or King main & rod bearings. Short blocks are built in our dedicated clean facility, and long block assembly is also available.

Brown’s Performance stands behind all of our products, offering a limited warranty with every short block.

** All components are in stock, but please allow a 2-3 week build time as each shortblock is built to spec **

Brown's Performance BP600 Stage 2 Short Block Features:

  • New OEM STi Block Halves

  • New OEM STi Crankshaft

  • JE 99.5mm Forged Pistons w/ Rings (8.5:1 CR on D25 Cylinder Heads (EJ255) or 8.2:1 CR on B25, V25 and W25 EJ257 Heads with OEM Head Gasket)

  • BC 2000 Forged Connecting Rods

  • New OEM Case Bolts (8 long, 2 short, 1 extra short)

  • ACL or King Race Bearings

  • Short Block Assembly

  • Blackstone Labs Oil Test Kits (2x)

  • Recommended for up to 600 bhp

Warranty Information:

Brown’s Performance short blocks include a 12 month/12,000 Mile limited warranty, pending engine registration with proof of professional installation & proper maintenance.

We provide two prepaid oil analysis kits from Blackstone laboratories; samples should be taken during the break-in period at 50 and 500 miles. Warranty will be void if these are not utilized.

The BP600 Stage 2 short block is the perfect foundation for an entry-level race car or just a reliable daily driver.

Our BP500 Stage 1 Short Block is a great option for any Subaru enthusiast, whether you want a 500 bhp race car or you’re just looking to prevent ring land issues in your daily driver.

We use brand-new OEM EJ257 case halves and crankshafts, paired with forged JE pistons & OEM STi connecting rods using ACL or King main & rod bearings. Short blocks are built in our dedicated clean facility, and long block assembly is also available.

Brown’s Performance stands behind all of our products, offering a limited warranty with every short block.

** All components are in stock, but please allow a 2-3 week build time as each short block is built to spec **

Brown's Performance BP500 Stage 1 Short Block Features:

  • New OEM STi Block Halves

  • New OEM STi Crankshaft

  • JE 99.5mm Forged Pistons w/ Rings (8.5:1 CR on D25 Cylinder Heads (EJ255) or 8.2:1 CR on B25, V25 and W25 EJ257 Heads with OEM Head Gasket)

  • New OEM STi Connecting Rods

  • New OEM Case Bolts (8 long, 2 short, 1 extra short)

  • ACL or King Race Bearings

  • Short Block Assembly

  • Blackstone Labs Oil Test Kits (2x)

  • Recommended for up to 500 bhp

Warranty Information:

Brown’s Performance short blocks include a 12 month/12,000 Mile limited warranty, pending engine registration with proof of professional installation & proper maintenance.

We provide two prepaid oil analysis kits from Blackstone laboratories; samples should be taken during the break-in period at 50 and 500 miles. Warranty will be void if these are not utilized.

Our BP500 Stage 1 short block is a great option for any Subaru enthusiast, whether you want a 500 BHP race car or you’re just looking to prevent ring land issues in your daily driver.