Carrillo Conrods for 8 cyl BMW M5/M6 - X5M/X6M S63B44T0(Tu)/T2/T4 / N63B44T0 (Tu) Pro-H 3/8 bolt ( BM_BS63_2HS_5453B6H )
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 |
BMW |
|
Model Engine Code |
S63B44T0 (Tu) / N63B44T0 (Tu) |
|
New Part Number |
SCR11938 |
|
Old Part Number |
BM_BS63_2HS_5453B6H |
|
Centre to Centre (in) |
5.453 |
|
Centre to Centre (mm) |
138.5 |
|
Style |
PRO-H |
|
Bolt Size |
3/8 |
|
Bolt Type |
WMC |
|
Pin Width (in) |
0.823 |
|
Pin Width (mm) |
20.9 |
|
Big End Width (in) |
0.705 |
|
Bigh End Width (mm) |
17.91 |
|
Big End Bore (in) |
2.268 |
|
Big End Bore (mm) |
57.6 |
|
Pin Bore |
22 |
|
Total/Rotate/Receip (grams) |
538 / 366 / 172 |
|
FN |
H |
|
Cylinders |
6 |
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 8 cyl BMW M5/M6 - X5M/X6M S63B44T0(Tu)/T2/T4 / N63B44T0 (Tu) Pro-H 3/8 bolt ( BM_BS63_2HS_5453B6H ) |
|---|---|
| Brands | Carrillo |
| Engine | N63B44 - S63B44 |
| Make | BMW |
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:
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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 are the specific machining requirements for the SCR11938 conrods?
The SCR11938 conrods may require honing of the big-end and small-end to ensure proper fitment due to manufacturing tolerances. It is essential to check the journal and pin sizes against your crankshaft and pistons for optimal clearances.
What is the recommended application for the SCR11938 conrods?
These conrods are designed for high-performance applications in the BMW S63B44 and N63B44 engines, making them suitable for both street and racing use. They are built to handle increased power levels, but reliability will depend on proper tuning and engine assembly.
How do I ensure proper fitment of the SCR11938 conrods in my engine?
To ensure proper fitment, verify that the conrod dimensions match your engine specifications. Additionally, confirm that the big-end and small-end are correctly machined and that the conrods are installed with the correct orientation as per the manufacturer's guidelines.
What type of fasteners are included with the SCR11938 conrods?
The SCR11938 conrods come with 3/8-inch ARP2000 bolts, which are known for their strength and reliability. Always refer to ARP's latest instructions for the correct torque specifications and installation procedures.
What is the weight of the SCR11938 conrods, and how does it affect performance?
The SCR11938 conrods have a total weight of 538 grams, with a rotating weight of 366 grams and a reciprocating weight of 172 grams. The lightweight design aids in reducing overall engine inertia, which can improve throttle response and engine performance, especially at higher RPMs.