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Tomei Forged Piston Set for Subaru WRX & STI '02-'07

$1,710.00
SKU: 
1182997312
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Features

The ellipse barrel shape profile was chosen from the advanced analysis of the analysis distribution of piston temperatures, material properties and the coefficient thermal expansion rates. This allowed our design to use much tighter piston clearances for maximum power range. This greatly reduces blow by gases, friction loss and no noise. This maximizes power and longevity of the piston. This is the advantage of Tomei's Pistons.

  • LOW FRICTION / BEST CLEARANCE
  • PROFILE DEISGNED FOR OPTIMIZED COMBUSTION
  • DURABLE AT APPROX 74g!

BORE
DIAMETER
(Φ)

PIN
DIAMETER
(Φ)

PIN
LENGTH
(mm)

RECESS

COMPRESSION
HEIGHT (mm)

CROWN
VOLUME (cc)

PISTON
WEIGHT (g)

99.75

23.0

62

YES

30.7

19.5

380

 

PISTON PIN
WEIGHT (g)

GROSS
WEIGHT
(g)

TOP RING
BxT (mm)

SECOND RING
B x T (mm)

OIL RING
B x T (mm)

MATERIAL

STOCK
WEIGHT (g)

123

503

1.2 x 3.6

1.2 x 4.0

2.0 x 3.0

ALUMINUM

577

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