SRP 350 Small Block Chevy - Flat Top Forged Piston (SRP271055)

SRP271055 - SBC 4.030" PISTONS -5cc FLAT

383 c.i., 4.030" bore, 3.750" stroke, 5.700" rod length, -5.0cc dome volume

Part Number: SRP271055

Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength. Stronger than traditional designs but up to 20% lighter.
Accumulator grooves for improved ring seal
Thick top ring lands to accommodate moderate forced induction/nitrous applications

Rings Included
Lightweight, low friction metric ring package included
1.2mm CARBON STEEL top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring
Minimal filing required

Pins & Locks:
High quality 2.250” pin further reduces reciprocating weight
Carbon steel wire locks included

Specifications:
Engine: SMALL BLOCK CHEVROLET
Bore Diameter: 4.030
Compression Height: 1.425

Compression Ratio with 58cc chamber volume: 11.9

Compression Ratio with 64cc chamber volume: 11.1

Compression Ratio with 70cc chamber volume: 10.3

Piston Volume: -5.0

Cylinder Head: CHEVROLET 23 DEG 20/30
Piston Pin Outside Diameter: 0.927
Piston Pin Length: 2.250
Piston Pin Material: 5115
Ringset Included: No
Top Compression Ring Thickness: 1.2mm
Second Compression Ring Thickness: 1.5mm
Oil Ring Thickness: 3.0mm
Piston Material: 2618
Forging Type: FSR
Piston Avg Weight: 434

Pin Wall Thickness: 0.150
Piston Type: Flat
Ring Set: JG31F8-4030-2