SRP Professional Pistons 279477 Forged 350/ 400 23° Flat Top 4.040 Bore

SRP Pro Pistons, SBC 385, Bore 4.040, Stroke 3.750, Rod Length 6.000, Flat Top -5.0cc, 399 Grams, Set of 8

Special Price $621.00 Regular Price $690.00

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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

Small Block Chevy 350/ 400 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.

Lightweight, low friction metric ring package included

1.2mm Carbon Steel top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring

Napier 2nd ring for improved oil control

Minimal filing required

Pins and Locks

High quality 2.250" pin further reduces reciprocating weight

Carbon steel wire locks included

Compression Ratio:

58cc 11.9:1

64cc 11.1:1

70cc 10.3:1
Note: *Oil rail supports included.*

Specifications

More Information
CNC Part Number	SRP-279477
Price	$690.00
Manufacturer's Part Number	279477
Brands	SRP
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.040
Crankshaft Stroke	3.750
Rod Length	6.000
Piston Type	Flat Top
Compression Height	1.125
Piston Material	4032 Forged
Piston Ring Size	1.2 1.5 3.0mm
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING