SRP Pistons 146508 Forged Pontiac 428 Flat Top 4.188 Bore

SRP Pistons, Pontiac 440, Bore 4.188, Stroke 4.000, Rod Length 6.625, Flat Top -5.0cc, 526 Grams, Set of 8

Special Price $674.92 Regular Price $766.95

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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 11.6:1

80cc 11.0:1

84cc 10.0:1
Note: *Made to order.*

Specifications

More Information
Price	$766.95
Vehicle Make	Pontiac
Bore Size	4.188
Crankshaft Stroke	4.000
Rod Length	6.625
Piston Type	Flat Top
Compression Height	1.590
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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