SRP Pistons 329640 Forged 350/ 400 Dome 4.020 Bore

SRP Pistons, SBC 353, Bore 4.020, Stroke 3.480/ 3.500, Rod Length 5.700, Dome +11cc, 510 Grams, Set of 8

Special Price $722.69 Regular Price $802.99

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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.

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 2618 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.

Designed for use with the most popular 23° heads

CNC machined domes with radiused valve reliefs provide optimum flame travel.

Optional bearing steel pins available

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 13.9:1

64cc 12.7:1

70cc 11.7:1
Note: *Made to order.*

Specifications

More Information
CNC Part Number	SRP-329640
Price	$802.99
Manufacturer's Part Number	329640
Brands	SRP
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.020
Crankshaft Stroke	3.480, 3.500
Rod Length	5.700
Piston Type	Dome
Compression Height	1.560
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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