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XS257 – LS3

$599.00

Product Info Coming Soon!

Bare cylinder heads. NO VALVE TRAIN INCLUDED

   WARNING: Cancer and Reproductive Harm –  www.p65warnings.ca.gov

 

SOLD INDIVIDUALLY

SKU: XS14-0257 Categories: , , Tags: , , , , ,

Street Performance 3-angle Valve Job

Ductile Iron Intake & Exhaust Valve Seats

Bronze Valve Guides

 

Weight 31 lbs
Dimensions 22 × 11 × 8 in
CNC Ported

No

Material

AC4B

Combustion Chamber Size

73cc

Intake Port Volume

257cc

Exhaust Port Volume

101cc

Intake Valve Diameter

2.165"

Exhaust Valve Diameter

1.590"

Intake Port Location

Stock

Intake Port Shape

Rectangle

Exhaust Port Location

Stock

Exhaust Port Shape

Round

Valve Job

Street Performance 3-Angle

Valve Stem Diameter

8mm

Valve Cover Bolt Pattern

Center

Quantity

Sold Individually

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