Manley Performance - Sport Compact

N54B30 N55 / S55

XR6 DURATEC 2.0L 2.0L ECOBOOST 2.3L ECOBOOST

B SERIES K20/K24 F20/F22 D16 H22A1-A4

Theta I4

BP056 MZR

4G63/4G64 4B11

KA24 RB26 RB30 SR20 TB48 VG30 VR38 VQ35

EJ20/EJ25 FA20

4AG 3SGTE 2AZFE 7M 2JZ 1FZFE FA20 3UR-FE

Audi/VW
1.8L Dodge
SRT4 Lamborghini/Audi
5.0L/5.2L FSI V10

Valves

Spring/ Retainer Kits

Rods

Pistons

PLATINUM SERIES LIGHTWEIGHT PISTONS
NISSAN GT-R 3.8 VR38DETT
88.4mm STOCK STROKE - learn more about our pistons

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. All GT-R pistons come with moly coated skirts. round wire locks, premium chrome moly wrist pins, and premium steel top ring with napier second sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.

2618 high strength material
Offset wrist pin for quiet start-ups
.180" x 2.500" wall Premium Chrome Moly pin (Standard 625 Series) included
.210" x 2.500" wall Premium Chrome Moly pin (Standard 634 Series) included
9310 alloy .210" wall pin (Extreme Duty Series) included P/N 42546
Turbo Tuff/DLC .250" wall P/N 42745 and .300" wall P/N 42746 upgrades available
Pressure balance groove
Will accommodate +1mm valve sizes
Premium Steel 1.2mm top ring set with 1.2mm Napier second ring and 9-13lb. tension 3mm oil ring included
.260 Crown thickness
Round wire locks included

Part #	Extreme Duty Part #	95.5mm Bore Grade Range	Rod Length	Stroke mm	Comp Distance	Dome Volume (cc)	Compression Ratio	Piston Type	Piston Wt / Gms	Included Ring Set

88.4mm STOCK STROKE

625GR1-1*	625EGR1-1*	95.5 Grade 1	6.500"	88.4	1.350"	-1.5	9.25	Flat Top	449	46956-1

625GR2-1*	625EGR2-1*	95.5 Grade 2	6.500"	88.4	1.350"	-1.5	9.25	Flat Top	449	46956-1

625GR3-1*	625EGR3-1*	95.5 Grade 3	6.500"	88.4	1.350"	-1.5	9.25	Flat Top	449	46956-1

634010C-6	634010CE-6	99.0	6.500"	88.4	1.350"	-2	9.8	Flat Top	488	46990-6

634015C-6	634015CE-6	99.5	6.500"	88.4	1.350"	-2	9.9	Flat Top	493	46996-6

* These pistons feature skirt diameters that correspond to the OEM Grade 1, 2 or 3 bores resulting in a piston to wall clearance range of .0032" - .0039". Check the bore grades on the back of your block and order the appropriate quantities of Grade 1, 2 or 3 pistons. (Sold as -1 individual pieces, not sets.)

PLATINUM SERIES LIGHTWEIGHT PISTONS
NISSAN GT-R 3.8 VR38DETT
94.4mm STROKER - learn more about our pistons

2618 high strength material
Offset wrist pin for quiet start-ups
.210" x 2.500" wall Premium Chrome Moly pin (Standard Series) included
9310 alloy .210" wall pin (Extreme Duty Series) included P/N 42546
Turbo Tuff/DLC .250" wall P/N 42745 and .300" wall P/N 42746 upgrades available
Pressure balance groove
Will accommodate +1mm valve sizes
Premium Steel top ring set with Napier second ring and 9-13 lb. tension oil ring included
Round wire locks included

Part #	Extreme Duty Part #	Bore Size	Rod Length	Stroke mm	Comp Distance	Dome Volume (cc)	Compression Ratio	Piston Type	Piston Wt / Gms	Included Ring Set

94.4mm STROKER

633GR1-1*	633EGR1-1*	95.5 Grade 1	6.500"	94.4mm	1.232"	-1.5	9.8	Flat Top	423	46956-1

633GR2-1*	633EGR2-1*	95.5 Grade 2	6.500"	94.4mm	1.232"	-1.5	9.8	Flat Top	423	46956-1

633GR3-1*	633EGR3-1*	95.5 Grade 3	6.500"	94.4mm	1.232"	-1.5	9.8	Flat Top	423	46956-1

VR38DETT - Turbo Tuff Design

2618 high strength material
Offset wrist pin for quiet start-ups
.200"-.250" tapered wall .990" diam. Turbo Tuff/DLC pin included
Asymetrical skirt design
Lateral gas ports (12 places)
Pressure balance groove
Will accommodate +1mm valve sizes
Premium Steel top ring set with Napier second ring and 9-13 lb. tension oil ring included
Round wire locks included

Part #	Bore Size	Rod Length	Stroke mm	Displacement	Comp Distance	Dome Volume (cc)	Compression Ratio	Piston Type	Piston Wt / Gms	Included Ring Set

641000CE-6*	98.0	6.500"	88.4	4.08L	1.350"	-2	9.8	Flat Top	502	46980-6

641010CE-6*	99.0	6.500"	88.4	4.12L	1.350"	-2	9.9	Flat Top	519	46990-6

* These pistons are designed for use with Manley connecting rod P/N 15444-6 that are made for a .990" wrist pin size

Common Features
Crown Thickness: .240"
Top Ring: 1.2mm, .280" down
Second Ring: 1.5mm Napier profile
Oil Ring: 3.0mm
Intake Valve Notch: .105" / 2.67mm
Round Wire Locks: P/N 42245
Pin Included: Turbo Tuff/DLC P/N 42747 ( .200"-.250" wall, 188 grams, 2.500" long, .990" dia. )
Recommended Piston Clearance: .0035" measured 1.100" from bottom of oil ring