Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededSRPPART NUMBER: 867-138100
Flat Top Forged Pistons Bore: 4.155"
$65699
Ships on Nov 02, 2026
Lowest Price GuaranteeChevy 400Rod: 6.000 in. Stroke: 3.750 in.
- Flat Top Forged Pistons
- Bore: 4.155"
- 8/pkg
Compression Ratios - 58cc: 12.4 to 1
- 64cc: 11.6 to 1
- 70cc: 10.8 to 1
- 76cc: 10.2 to 1
Ideal for Street/Strip and Racing Machine
SRP Small Block Chevy Flat Top Forged Pistons are manufactured from a high-silicon 4032 aluminum alloy for great clearance qualities and quiet operation.
Features
- Dome Volume: -5cc
- Ring Grooves: 1/16", 1/16", 3/16"
Show More
- Ideal for street/strip and oval track (will work on small nitrous systems)
- Symmetrical valve reliefs for universal installation
- High-silicon alloy for tighter piston-to-wall clearance
- Straight Wall Carbon Steel Wristpin: .927" x 2.75" x .150" (130 grams)
Part TypePiston
Product LineSRP Small Block Chevy Flat Top Forged Pistons
BrandSRP
Package Height6.1
Package Width11.7
Package Length11.9
Weight12.46 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number138100
Package Qty1
Package TypeEA
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
