Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededSRPPART NUMBER: 867-140348
SRP Dome Pistons for Small Block Chevy Bore 4.030"
$69999
Ships on 09/24/2026
Lowest Price Guarantee350 Block with 3.750" Stroke
SRP Inverted Dome Pistons Small Block Chevy (+.030") Bore: 4.030" Stroke: 3.750 (383ci) Rod Length: 6.000" Dome Volume: 7cc Weight: 426 grams Compression Height: 1.125" 8/pkg
Compression Ratios
- 58cc 14.0:1
- 64cc 12.9:1
- 70cc 11.9:1
Ring Groove Sizes - Top Ring: 1/16"
- Second Ring: 1/16"
- Oil Ring: 3/16"
SRP Small Block Chevy High Compression Forged Pistons are smooth flowing symmetrical dome for excellent flame propogation. Dome requires no de-burring or preparation. Designed for use in all common 23° heads. Non-silicon alloy for superior strength in high cylinder pressure applications. Symmetrical dome and valve reliefs for universal installation. .927'' x 2.750'' x .150'' straight wall carbon steel wristpin (130g) included. 1/16, 1/16, 3/16'' ring grooves.
Part TypePiston
Product LineSRP Small Block Chevy High Compression Forged Pistons
BrandSRP
Package Height6.1
Package Width11.8
Package Length12.0
Weight12.09 PG
Part CategoryPerformance Parts
Piston Head Volume (Cc)-7
Compression Distance1.125 in (28.575 mm)
Piston Ring Thickness (In.)1/16 x 1/16 x 3/16
Wrist Pin StylePress-fit or floating
QuantitySold as a set of 8
Piston MaterialForged aluminum
Pin Diameter0.927 in (23.5 mm)
Part FitmentSemi Universal
Bore (Mm)102.362
Piston StyleDome, with two valve reliefs
Bore4.03 in (102.362 mm)
Vendor Part Number140348
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
JEGS
32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)
Part Number : 555-80500
$999$10.99
You Save$1.00
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
JEGS
Part Number : 555-80500
$999$10.99
You Save$1.00
Some parts are not legal for use in California or other states with similar laws / regulations
