Our Products
PERFORMANCE ENGINE INTERNALS
Browse by brand and engine platform. Click an engine code to view detailed specs and available part numbers.
Forged Pistons
Connecting Rods
Turbochargers
DCT
Other Parts
Click an engine code to view full product details, images, and specifications.
©ª VW / Audi
EA888
Part # Bore Comp.Ht Pin Comp.Ratio Application AVEA888001 82.5mm 29.6mm 23mm 9.0/9.3/9.5/9.6 Golf7 / GEN3 Race / A4 Q5 2.0L AVEA888002 83mm 29.6mm 23mm 9.3/9.5 VW/AUDI 2.0TFSI / VAG 2.0T
EA111
Part # Bore Comp.Ht Pin Comp.Ratio Application AVEA111001 76.5mm 28.5mm 20mm 9.5/10.0 1.4TFSI
EA211
Part # Bore Comp.Ht Pin Comp.Ratio Application AVEA211001 74.5mm 26.0mm 19mm 10.0 1.4T EVO
EA855
Part # Bore Comp.Ht Pin Comp.Ratio Application AVEA855001 84.5mm 32mm 23mm 9.3 2017+ Audi RS3 2.5T DAZA
EA113
Part # Bore Comp.Ht Pin Comp.Ratio Application AVEA1.8T001 81mm 29.6mm 23mm 9.0 EA113 1.8T 20V AVEA2.0T001 82.5mm 29.6mm 23mm 10.0 EA113 2.0T 20V
VR6
Part # Bore Comp.Ht Pin Comp.Ratio Application AV1992VR6JP001 82.5mm 32.39mm 23mm 9.0/10.5 1992-99 VR6 12V GTI/JETTA AV1999VR6001 82.5mm 42.82mm 23mm 8.5/11.1 2.8L 24V VR6 AV2001VR6001 82.5mm 40.44mm 23mm 8.5/11.5 3.2L 24V VR6 R32
¯µ Toyota
1JZ
Part # Bore Comp.Ht Pin Comp.Ratio Application AT1JZ001 86mm 30.5mm 22mm 8.5/9.0 1JZ-GTE/GE
2JZ
Part # Bore Comp.Ht Pin Comp.Ratio Application AT2JZ001 86mm 30.5mm 22mm 8.5/9.0/9.5 2JZ-GTE VVT-i AT2JZ002 86.5mm 30.5mm 22mm 9.0 2JZ-GTE Non-VVT-i
2UZ
Part # Bore Comp.Ht Pin Comp.Ratio Application AT2UZ001 94mm 32.0mm 24mm 9.6 2UZ-FE V8
3UZ
Part # Bore Comp.Ht Pin Comp.Ratio Application AT3UZ001 91mm 31.0mm 22mm 3UZ-FE V8
2GR
Part # Bore Comp.Ht Pin Comp.Ratio Application AT2GR001 94mm 28.5mm 22mm 2GR-FE V6
2TR
Part # Bore Comp.Ht Pin Comp.Ratio Application AT2TR001 95mm 28.4mm 22mm 9.2 2TR-FE
¯µ Subaru
FA20
Part # Bore Comp.Ht Pin Comp.Ratio Application ASFA20001 86mm 28.3mm 22mm 12.5 BRZ/86 FA20
EJ20
Part # Bore Comp.Ht Pin Comp.Ratio Application ASEJ20001 92mm 32.7mm 22mm 8.5 EJ20 WRX/STI
EJ25
Part # Bore Comp.Ht Pin Comp.Ratio Application ASEJ25001 99.5mm 32.7mm 22mm 8.5/9.0 EJ257 STI
Honda
K20
Part # Bore Comp.Ht Pin Comp.Ratio Application AHK20AC001 86mm 30mm 19.96mm 12.5 K20/K20A/K20C AHK20AC002 86.5mm 30mm 19.96mm 12.5 K20 NA
L15A/L15B
Part # Bore Comp.Ht Pin Comp.Ratio Application AHL15B001~006 73-74mm 26.2mm 19.96mm 12.5-13 L15B(GEN X) / GK5
R18
Part # Bore Comp.Ht Pin Comp.Ratio Application AHR18001 81mm 28.8mm 20mm R18 Civic
K24
Part # Bore Comp.Ht Pin Comp.Ratio Application AHK24N001~003 87-87.5mm 30mm 19.96mm 12.5 K24 NA AHK24T001~002 86mm 30mm 20mm 9.0/10.5 K24 Turbo
GK5
Part # Bore Comp.Ht Pin Comp.Ratio Application AHGENX001~002 73mm 26.2mm 19.96mm 10.3 Fit/Jazz GK5
B18/B20
Part # Bore Comp.Ht Pin Comp.Ratio Application AHB18A1B1001~004 81-81.5mm 30mm 21mm 9.0/10.5 B18A1/B1
¯µ Mitsubishi
4G63
Part # Bore Comp.Ht Pin Comp.Ratio Application AM4G63001 85mm 32.7mm 22mm 8.5/9.0 EVO I-IX
4G93
Part # Bore Comp.Ht Pin Comp.Ratio Application AM4G93001 81mm 30.5mm 21mm 9.0 4G93 MIVEC
4B11
Part # Bore Comp.Ht Pin Comp.Ratio Application AM4B11001 86mm 29.6mm 21mm 9.0 EVO X
4G6X
Part # Bore Comp.Ht Pin Comp.Ratio Application AM4G6X001 85mm 32.7mm 22mm 4G6X series
4G93T
Part # Bore Comp.Ht Pin Comp.Ratio Application AM4G93T001 81mm 30.5mm 21mm 8.5 4G93T Turbo
4B12
Part # Bore Comp.Ht Pin Comp.Ratio Application AM4B12001 88mm 28.7mm 21mm 4B12
©ª BMW
B48
Part # Bore Comp.Ht Pin Comp.Ratio Application ABB48001 82mm 28.2mm 20mm 9.5/10.0 B48 2.0T
N20
Part # Bore Comp.Ht Pin Comp.Ratio Application ABN20001 84mm 28.0mm 21mm 9.5 N20 2.0T
N54
Part # Bore Comp.Ht Pin Comp.Ratio Application ABN54001 84mm 30.0mm 22mm 8.5/9.0 N54 3.0T
B58
Part # Bore Comp.Ht Pin Comp.Ratio Application ABB58001 82mm 28.5mm 21mm 9.5 B58 3.0T
S58 B30
Part # Bore Comp.Ht Pin Comp.Ratio Application ABS58001 84mm 28.5mm 22mm 9.3 S58 M3/M4
N55
Part # Bore Comp.Ht Pin Comp.Ratio Application ABN55001 84mm 30.0mm 22mm 8.5/9.0 N55 3.0T
S63
Part # Bore Comp.Ht Pin Comp.Ratio Application ABS63001 89mm — — 9.5 S63 M5/M6/X5M/X6M
©ª Benz
M271
Part # Bore Comp.Ht Pin Comp.Ratio Application ABM271001 82mm 28.5mm 21mm 9.5 M271 1.8T
M155
Part # Bore Comp.Ht Pin Comp.Ratio Application ABM155001 82mm 29.0mm 22mm M155 A45 AMG
M260/M270
Part # Bore Comp.Ht Pin Comp.Ratio Application ABM260001 83mm 28.0mm 21mm 9.5 M260 2.0T
M274
Part # Bore Comp.Ht Pin Comp.Ratio Application ABM274001 83mm 28.0mm 21mm 9.5 M274 2.0T
M157
Part # Bore Comp.Ht Pin Comp.Ratio Application ABM157001 85mm 30.0mm 23mm 9.0 M157 5.5T V8
Smart
Part # Bore Comp.Ht Pin Comp.Ratio Application ABSMART001 72mm 25.0mm 18mm Smart 1.0T
¯µ Nissan
RB25DET
Part # Bore Material Application RB25DE / SKU pending 87mm 4032 forged aluminum Skyline R33/R34
«· Peugeot
TU5JP4
Part # Bore Application Manufacturing SKU pending 81mm Peugeot 206 Forged + CNC machined
Seadoo
1630
Part # Bore Comp.Ht Pin Comp.Ratio Application ASD1630001 100mm 30.0mm 22mm 8.5 RXTX 300
GTI
Part # Bore Comp.Ht Pin Comp.Ratio Application ASDGTI001 100mm 30.0mm 22mm 9.0 GTI 130
130
Part # Bore Comp.Ht Pin Comp.Ratio Application ASD130001 100mm 30.0mm 22mm 9.5 130hp ACE
1503
Part # Bore Comp.Ht Pin Comp.Ratio Application ASD1503001 100mm 30.0mm 22mm 1503 ACE
GTX
Part # Bore Comp.Ht Pin Comp.Ratio Application ASDGTX001 100mm 30.0mm 22mm 8.5 GTX 155/215
170
Part # Bore Comp.Ht Pin Comp.Ratio Application ASD170001 100mm 30.0mm 22mm 170hp ACE
Material Selection Guide
Choosing the Right Connecting Rod:
4340 · 300M · Titanium
JA-Modified offers connecting rods in three materials each engineered for a specific power band and use case.
Here's how to choose the right one for your engine build.
Baseline
4340 Chromoly
$
300 1,200 HP
Best for: Street builds, mild race, first upgrade
Strength: 1,4801,620 MPa tensile
Weight: Baseline (7.85 g/cm³)
ARP 2000
ARP L19
Max Strength
Upgrade
300M Alloy Steel
$$$
800 2,500+ HP
Best for: Big turbo, drag, endurance
Strength: 1,9302,070 MPa tensile (40% > 4340)
Weight: Same as 4340
ARP 625+
ARP L19
Premium
Titanium Ti-6Al-4V
Specific Fatigue Strength
Titanium's fatigue limit is ~450-550 MPa about 10-15% lower than 300M in absolute terms. But when you factor in density, titanium's specific fatigue strength is 40-50% higher (100-124 vs 66-83 MPa·cm³/g). This means a titanium rod of the same fatigue capacity weighs 35-40% less less reciprocating mass = higher RPM ceiling and lower bearing stress.
Not about max HP
Titanium's absolute fatigue limit (450-550 MPa) is 10-15% lower than 300M's (520-650 MPa), but titanium's specific fatigue strength (fatigue limit ÷ density) is 40-50% higher 100-124 vs 66-83 MPa·cm³/g. That means every gram of titanium carries more fatigue load than a gram of steel. Combined with 44% weight savings , titanium rods dramatically reduce reciprocating inertia, making them ideal where 9,000+ RPM acceleration and throttle response matter more than peak boost pressure. GT3, Formula, and high-RPM NA builds choose titanium for this reason.
$$$$
Best for: High-RPM NA, road race, supercar
Fatigue limit: 450550 MPa (vs 300M: 520-650 MPa)
Weight: 44% lighter vs steel
Titanium Bolts
ARP 625+*
* Coated to prevent galvanic corrosion
Quick Guide:
Under 1,000 HP? 4340 the proven workhorse.
1,200+ HP on big boost? 300M highest strength, toughest under extreme cylinder pressure.
High-RPM NA or track build where 9,000+ RPM is the goal? Titanium 44% lighter for faster revs and better throttle response.
Why compare them by HP? Because titanium and 300M serve different jobs. 300M = brute force for max boost. Titanium = light weight for max RPM. Pick the right tool for your build.
Not sure? Talk to us
Click an engine code to see connecting rod part numbers and specifications.
©ª VW / Audi
EA888
Part # Engine Material Design VW-EA888-ROD001 EA888 4340 Steel H-Beam 600HP VW-EA888-ROD002 EA888 300M Steel H-Beam
EA111
Part # Engine Material Design VW-EA111-ROD001 EA111 1.4T 4340 Steel H-Beam
EA211
Part # Engine Material Design VW-EA211-ROD001 EA211 4340 Steel H-Beam
EA855
Part # Engine Material Design VW-EA855-ROD001 EA855 2.5T 4340 Steel H-Beam VW-EA855-ROD002 EA855 2.5T 300M Steel H-Beam
EA113
Part # Engine Material Design AUDI-1.8T00101 1.8T 20V 4340 Steel I-Beam
VR6
Part # Engine Material Design VW-VR600101 VR6 4340 Steel H-Beam
EA837
Part # Engine Material Design VW-EA837-ROD001 EA837 3.0T 4340 Steel I-Beam / H-Beam
EA111 1.6
Part # Engine Material Design VW-EA111-16-ROD001 EA111 1.6 4340 Steel Forged, Deep Oiling Hole
¯µ Toyota
1JZ
Part # Engine Material Design TYT-1JZ-ROD001 1JZ-GTE 4340 Steel H-Beam
2JZ
Part # Engine Material Design TYT-2JZ-ROD001 2JZ-GTE 4340/300M H/I-Beam
2GR
Part # Engine Material Design TYT-2GR-ROD001 2GR-FE 4340 Steel I-Beam
2TR
Part # Engine Material Design TYT-2TR-ROD001 2TR-FE 4340 Steel I-Beam
2UZ
Part # Engine Material Design TYT-2UZ-ROD001 2UZ-FE V8 4340 Steel H-Beam
3UZ
Part # Engine Material Design TYT-3UZ-ROD001 3UZ-FE V8 4340 Steel I-Beam
Honda
K20
Part # Engine Material Design HON-K20-ROD001 K20A/K20C 4340 Steel IQ-Beam 139mm HON-K20-ROD002 K20A/K20C 4340 Steel IQ-Beam 139mm JA
K24
Part # Engine Material Design HON-K24-ROD001 K24A 4340 Steel I-Beam 151.99mm HON-K24-ROD002 K24A 4340 Steel IQ-Beam 152mm JA HON-K24-ROD003 K24A 4340 Steel X-Beam 152mm HON-K24-ROD004 K24A1/A2 CRV 4340 Steel Billet I-Beam
B20
Part # Engine Material Design HON-B20-ROD001 B20A/B20B 4340 Steel Forged
GK5 L15B
Part # Engine Material Design HON-GK5-ROD001 L15B/L15B2 4340 Steel X-Beam
L15A
Part # Engine Material Design HON-L15A-ROD001 L15A 4340 Steel I-Beam
¯µ Subaru
FA20
Part # Engine Material Design SUB-FA20-ROD001 FA20 4340 Steel I-Beam 129.3mm
EJ20/EJ25
Part # Engine Material Design SUB-EJ20-ROD001 EJ20/EJ25 4340 Steel I-Beam
¯µ Mitsubishi
4G63
Part # Engine Material Design MIT-4G63-ROD001 4G63-T 4340 Steel I-Beam 150mm
4B11T
Part # Engine Material Design SKU pending 4B11T 4340 forged steel H-Beam
©ª Mercedes
M177/M176
Part # Engine Material Design MB-M177-ROD001 M177/M176 4340 Steel I-Beam
M157
Part # Engine Material Design MB-M157-ROD001 M157 5.5T V8 4340 Steel I-Beam
Seadoo
RXP / GTX
Part # Engine Material Design SDO-RXP-ROD001 RXP 1.5L 4340 Steel Forged
©ª BMW
B48
Part # Engine Material Design BMW-B48-ROD001 B48 2.0T 4340 Steel I-Beam
B58
Part # Engine Material Design BMW-B58-ROD001 B58 3.0T 4340 Steel I-Beam
N20
Part # Engine Material Design BMW-N20-ROD001 N20 2.0T 4340 Steel I-Beam
N54
Part # Engine Material Design BMW-N54-ROD001 N54 3.0T 4340/300M H-Beam
N55
Part # Engine Material Design BMW-N55-ROD001 N55 3.0T 4340 Steel I-Beam
¯µ Nissan
VR38 GTR R35
Part # Engine Material Design NIS-VR38-ROD001 VR38DETT 4340 Steel X-Beam
TB48 Patrol
Part # Engine Material Design NIS-TB48-ROD001 TB48 4.8L 4340 Steel I-Beam
¯µ Isuzu / Mazda
3.0L Racing Rod
Part # Application Material Design SKU pending Isuzu / Mazda 3.0L 4340 forged steel I-Beam
Motorcycle / Scooter
Honda Forza 350
Part # Engine Material Design HON-FORZA350-ROD001 Forza 350 4340 Steel Forged, 18mm Pin
Yamaha XMAX 300
Part # Engine Material Design YAM-XMAX300-ROD001 XMAX 300 4340 Steel Forged, 16/18mm Pin
JA-Modified ball bearing and hybrid turbocharger upgrades. Click an engine code for full specs and part numbers.
©ª VW / Audi
EA839 3.0T
Part # Engine Type Capability JA-TRB-EA839-01 EA839 3.0T V6 Ball Bearing 600+ AWHP
EA888 G30-770
Part # Engine Type Capability JA-TRB-G30-770 EA888 Gen3 G30-770 Hybrid BB 600-770 HP
EA888 IS38 Hybrid
Part # Engine Type Capability JA-TRB-IS38-HYB EA888 Gen3 MQB IS38 Hybrid BB 500-550 HP
EA888 MQB Hybrid
Part # Engine Type Capability JA-TRB-MQB-HYB EA888 Gen3 MQB Hybrid Ported Shroud 500+ HP
EA888 MLB BB
Part # Engine Type Capability JA-TRB-MLB-BB EA888 Gen3 MLB Ball Bearing 500+ HP
EA888 535 IS38
Part # Engine Type Capability JA-TRB-535-IS38 EA888 Gen3 535 IS38 Upgrade 500-535 HP
©ª BMW
S58 1100HP
Part # Engine Type Capability JA-TRB-S58-1100 S58 M3/M4 Ball Bearing 1100 HP
