SRP Pistons 162840 Forged 427 Open Chamber Dome 4.310 Bore

SRP Pistons, BBC 439, Bore 4.310, Stroke 3.760, Rod Length 6.135, Dome +48.0cc, 727 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.

APBA approved.

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

Forced pin oiler for increased wrist pin lubrication

Pin fitting and double sprio locks (#990-042-CS) included

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

990-2930-15-51S wrist pins (150 grams) included

Compression Ratio:

112cc 13.1:1

118cc 12.2:1

124cc 11.4:1

Specifications

More Information
CNC Part Number	SRP-162840
Price	$802.99
Manufacturer's Part Number	162840
Brands	SRP
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.310
Crankshaft Stroke	3.760
Rod Length	6.135
Piston Type	Dome
Compression Height	1.765
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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