SRP Inverted Dome Pistons for Small Block Chevy Bore 4.030"

Name: SRP Inverted Dome Pistons for Small Block Chevy Bore 4.030"
Brand: SRP
SKU: 867-138103
Price: 734.99 USD
Availability: InStock

^$734⁹⁹

Ships on 10/19/2026

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350 Block with 3.750" Stroke

Small Block Chevy (+.030")
Bore: 4.030"
Stroke: 3.750 (383ci)
Rod Length: 6.000"
Dome Volume: -16cc
Weight: 403 grams
Compression Height: 1.125"
8/pkg

Compression Ratios
58cc 10.4:1
64cc 9.8:1
70cc 9.2:1

Ring Groove Sizes
Top Ring: 1/16"
Second Ring: 1/16"
Oil Ring: 3/16"

Inverted dome utilizes radius tooling to eliminate hot spots. Symmetrical valve reliefs for universal installation. Valve reliefs cut for oversized valves and most street/strip camshafts. Lower ring lands and thicker crown for increased durability. High silicon alloy for tighter piston to wall clearance. Can be used in small blower and nitrous applications. .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 SB-Chevy Low Compression Forged Pistons

BrandSRP

Package Height6.3

Package Width11.9

Package Length12.0

Weight12.15 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number138103

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

SRP Inverted Dome Pistons for Small Block Chevy Bore 4.030"

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