SRP Pistons 138100 Forged 400 Flat Top 4.155 Bore

SRP Pistons, SBC 407, Bore 4.155, Stroke 3.750, Rod Length 6.000, Flat Top -5.0cc, 443 Grams, Set of 8

$656.99

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

SRP Professional pistons are the most advanced lightweight FSR forging that offers superior strength. SRP pistons are up to 20% lighter than traditional equivalent pistons. High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation. Accumulator grooves for improved ring seal. Designed for normally aspirated or moderate forced induction nitrous engine applications. SRP professional pistons come standard with high-performance skirt coating and low drag performance piston rings.

Ideal for oval track to street/ strip applications.

Forced Pin Oiler for increased wrist pin lubrication

Pin fitting, and double spiro locks included

927-2750-150 wall wrist pin (130 grams) included

CNC Machined ring grooves accept 1/16, 1/16, 3/16mm rings (Rings Sold Separately)

Compression Ratio:

58cc 12.4:1

64cc 11.6:1

70cc 10.8:1
Note: *Oil rail supports included.*

Specifications

More Information
CNC Part Number	SRP-138100
Price	$656.99
Sold As	Set
Manufacturer's Part Number	138100
Brands	SRP
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.155
Crankshaft Stroke	3.750
Rod Length	6.000
Piston Type	Flat Top
Compression Height	1.125
Piston Material	4032 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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