SUBARU EJ25 STROKER SERIES
"TURBO TUFF" BILLET 83MM STROKE CRANK
Ordering a Manley Subaru Rotating Assembly is as easy as 1-2-3….
1. Choose your Crankshaft part number based on stroke and style (for Mitsubishi either Forged Race
Series or Turbo Tuff Billet) and order the corresponding Rod and Main bearing part numbers shown.
2. Choose your connecting rod part number.
3. Choose your piston part number based on desired bore size and compression ratio (piston pins, locks and
rings are included).
CRANKS
- Premium heat treated forgings or lightweight 4340 billet
- Multi-step heat treatment process and Nitrided for added strength
- Stress relieved, shot-peened, and 100% magnafluxed
- Fully profiled knife-edged counterweights on the billet forgings
RODS
- 4340 material forgings or aircraft quality 300M material for extreme boost
- Fully machined, heat treated, stress relieved, shot peened, and 100% magnafluxed
- Big and small end bores are final honed to a tolerance of ± .0002"
- Bend and twist is tightly controlled
- Weight matched to +/- 1.5 grams
- H-Beam comes standard with 3/8" ARP 2000 bolts
- H-Plus comes standard with 3/8" ARP 625+ bolts
- I-Beam and 300M comes standard with 3/8" ARP 2000 bolts
(affix an R6 suffix for ARP 625+ bolt upgrade)
NOTE: "LW" signifies "Lightweight" design rod and "TT" signifies "Turbo Tuff" design rod.
PISTONS
- High strength 2618 alloy forgings
- Exacting ring groove squareness to cylinder wall provides
maximum horsepower
- Offset wrist pin design
- Moly coated skirts
RINGS
- 1.2 x 1.2 x 2.8mm 4G63/4G64
- Total Seal steel tops standard
- Rings included in piston kits
BEARINGS
- Premium ACL Race Series with narrowed rod bearings |
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