SRP Pistons 329657 Forged 350/ 400 Dome 4.130 Bore

SRP Pistons, SBC 402, Bore 4.130, Stroke 3.750, Rod Length 6.000, Dome +4cc, 428 Grams, Set of 8

$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 14.0:1

64cc 12.8:1

70cc 11.8:1
Note: *Made to order. Oil rail supports included.*

Specifications

More Information
CNC Part Number	SRP-329657
Price	$802.99
Manufacturer's Part Number	329657
Brands	SRP
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.130
Crankshaft Stroke	3.750
Rod Length	6.000
Piston Type	Dome
Compression Height	1.125
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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