Carrillo Conrods for 4 cyl Subaru EJ20 / EJ257 Heavy Duty 3/8 Bolt ( SB_B2LHD 0HS_5137B6S )
Price is for a set of Conrods
This conrod is special order, please allow up to 2 weeks for delivery if not in stock at CP Carrillo we will let you know the ETA.

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|
Make |
Subaru |
|
Model Engine Code |
EJ18, EJ20, EJ22, EJ257(WRX STi) |
|
New Part Number |
SCR7594 |
|
Old Part Number |
SB_B2LHD_0HS_5137B6S |
|
Centre to Centre (in) |
5.137 |
|
Centre to Centre (mm) |
130.5 |
|
Style |
PRO-H |
|
Bolt Size |
3/8 |
|
Bolt Type |
CARR |
|
Pin Width (in) |
0.845 |
|
Pin Width (mm) |
21.46 |
|
Big End Width (in) |
0.844 |
|
Bigh End Width (mm) |
21.44 |
|
Big End Bore (in) |
2.1653 |
|
Big End Bore (mm) |
55 |
|
Pin Bore |
23mm |
|
Total/Rotate/Receip (grams) |
560 / 390 / 170 |
|
FN |
S |
|
Cylinders |
4 |
Manufactured from USA made oversized proprietary steel forgings to enable proper grain flow and guarantee removal of any surface inclusions, CP-Carrillo ensures strength and durability of each Carrillo rod. Consistent and reliable from the first point of precision manufacturing all the way to extreme uses in racing world, exclusive Carrillo H beam and Pro (S)A designs offer the highest strength-to-weight ratio; Custom designed fasteners; 100 traceability; multi-step final inspection; CP-Carrillo moly based fastener lubrication included.
| Product Name | Carrillo Conrods for 4 cyl Subaru EJ20 / EJ257 Heavy Duty 3/8 Bolt ( SB_B2LHD 0HS_5137B6S ) |
|---|---|
| Brands | Carrillo |
| Engine | EJ20, EJ20 / EJ25 / EJ255 / EJ257, EJ257 WRX STI |
| Make | Subaru |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What bolts do these conrods use and how should I tighten them?
These rods use ARP conrod bolts, usually ARP2000 as standard with L19 or CA625+ available on some models. ARP2000 bolts are generally torqued to around 55 ft-lb for 3/8 inch and around 75 ft-lb for 7/16 inch when using ARP Ultra-Torque lube. L19 bolts must be tightened by stretch, not torque. Always refer to the latest ARP instructions for exact specifications.
Do these conrods have a horsepower rating or warranty?
No. Like other performance rods, they do not carry a horsepower or performance warranty. Spool warrants workmanship before installation, but once fitted, power handling depends entirely on machining, clearances, tuning, fuel, boost level and rpm.
Do the big end and small end need machining?
They often do. Crank journals and pin bores vary between engines, so your builder should measure the big end oil clearance and small end pin clearance and hone as required before assembly.
What is the recommended machining for the Carrillo conrods for Subaru EJ20/EJ257?
These conrods may require big-end honing to ensure proper fitment due to manufacturing tolerances. Always check the big-end bore size against your crankshaft journals for a precise fit.
What is the weight of the Carrillo conrods for the Subaru EJ20/EJ257?
The total weight of each conrod is approximately 560 grams, with a rotating weight of 390 grams and a reciprocating weight of 170 grams. This weight contributes to the overall performance and balance of your engine.
What is the centre-to-centre length of the Carrillo conrods for Subaru EJ20/EJ257?
The centre-to-centre length of these conrods is 5.137 inches (130.5 mm). Ensure this measurement aligns with your engine's specifications for optimal performance.
Are these conrods suitable for high-performance applications?
Yes, these Carrillo conrods are designed for heavy-duty use and are suitable for high-performance applications, including racing. However, reliability will depend on proper machining, clearances, and tuning.
What type of fasteners are included with the Carrillo conrods?
These conrods come with custom-designed 3/8 inch ARP bolts, specifically designed for strength and reliability in high-stress environments. Follow ARP's guidelines for installation and torque specifications.