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SBC 4.030″ PISTONS -5cc FLAT 3.750″ ST 5.700″ ROD 1.425″ CH
SBC 4.030″ PISTONS -5cc FLAT 3.750″ ST 5.700″ ROD 1.425″ CH
$1,760.95
Description
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
Additional information
| Weight | 5.7000 kg |
|---|---|
| Dimensions | 33.00 × 33.00 × 18.00 cm |
| Category list | |
| Brand | Srp |





