SRP Pistons 153983 Forged Pontiac 400 Flat Top 4.160 Bore

SRP Pistons, Pontiac 407, Bore 4.160, Stroke 3.750, Rod Length 6.625, Flat Top -5.0cc, 520 Grams, Set of 8

$761.99

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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.

Includes:

4032 low expansion high silicon aluminum alloy heat treated to SRP specifications

Forced Pin Oiler for the increased wrist pin lubrication

Pin fitting and double spiro locks included

980-2750-150 wall wrist pin (135g) included

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

Compression Ratio:

72cc 10.9:1

80cc 10.3:1

84cc 9.4:1

Specifications

More Information
CNC Part Number	SRP-153983
Price	$761.99
Sold As	Set
Manufacturer's Part Number	153983
Brands	SRP
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Pontiac
Bore Size	4.160
Crankshaft Stroke	3.750
Rod Length	6.625
Piston Type	Flat Top
Compression Height	1.690
Piston Material	4032 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.980
Custom Notices	⚠ PROP 65 WARNING

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