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Vehicle Info NeededSRPPART NUMBER: 867-142025
SRP Dome Pistons for Small Block Chevy Bore 400 4.165"
$73499
Ships on 09/08/2026
Lowest Price Guarantee400 Block with 3.750" Stroke
SRP Inverted Dome Pistons Small Block Chevy 400 (+.040") Bore: 4.165" Stroke: 3.750 (409ci) Rod Length: 6.000" Dome Volume: 4cc Weight: 449 grams Compression Height: 1.125" 8/pkg
Compression Ratios
- 58cc 14.1:1
- 64cc 12.9:1
- 70cc 11.9:1
Ring Groove Sizes - Top Ring: 1/16"
- Second Ring: 1/16"
- Oil Ring: 3/16"
Part TypePiston
BrandSRP
Package Height6.4
Package Width12.5
Package Length25.5
Weight14.05 PG
Part CategoryPerformance Parts
Piston Head Volume (Cc)-4
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)105.791
Piston StyleDome, with two valve reliefs
Bore4.165 in (105.791 mm)
Vendor Part Number142025
Package Qty1
Package TypeEA
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