The pistons from Diamond Pistons are suitable for use on the street as well as at the drag strip. Domestic engines with high-compression, forced induction, or nitrous-fed engines are designed and tested for high-stresses. These forged aluminium pistons are precisely built for your engine to produce the performance you need, and they are engineered with lifespan, reliability, and strength in mind.

Product Specifications Details
Item Number 11121-8
Engine Make Chevrolet
Bore 4.030
Stroke 3.750
Rod 5.700
Comp Height 1.425
Weight 436
Pin .927 x 2.500
CC -4.0cc
Comp Ratio 11.1
Cylinder Head Chamber CC 64
Ring Thickness 1/16 x 1/16 x 3/16
VP Intake Depth 0.295
VP Exhaust Depth 0.200
Cylinders 8
Barcode ID 686162201815
Class DIA-A-PSSK
Product Relations Details
Product Line Small Block Chevy Flat Top
Pins Included Y
Pin Part# G9272500155
Rings Included Y
Ring Part# 09024030
Rails Included N
Support Rail Part# N/A
Locks Included Y
Lock Ring Part# 015103-16
Country of Origin USA

More From This Category

SPEED PRO Pistons, Hypereutectic, Flat, 4.020 in. Bore, 327 ci SB For Chevrolet, Each (Minimum Order Qty 8)

SPEED PRO Pistons, Hypereutectic, Flat, 4.020 in. Bore, 327 ci SB For Chevrolet, Each (Minimum Order Qty 8)

$71.61

MANLEY Piston, 1.115 in. Compression Distance, 4.065 in. Bore Size, -29cc Dish, For Chevrolet LS, Each

MANLEY Piston, 1.115 in. Compression Distance, 4.065 in. Bore Size, -29cc Dish, For Chevrolet LS, Each

$182.79

MANLEY Piston, 1.248 in. Compression Distance, 86 mm Bore Size, -8cc Dish, For Mitsubishi 4G63 Stroker, Set of 4

MANLEY Piston, 1.248 in. Compression Distance, 86 mm Bore Size, -8cc Dish, For Mitsubishi 4G63 Stroker, Set of 4

$1,104.60

MANLEY Piston, Extreme Duty, 17cc Dish, For Subaru, Set of 4

MANLEY Piston, Extreme Duty, 17cc Dish, For Subaru, Set of 4

$1,389.10

MANLEY Piston, 1.012 in. Compression Distance, 87 mm Bore Size, -8cc Dish, For Mitsubishi 4G63 Stroker, Each

MANLEY Piston, 1.012 in. Compression Distance, 87 mm Bore Size, -8cc Dish, For Mitsubishi 4G63 Stroker, Each

$276.16

MANLEY Piston, 1.125 in. Compression Distance, 4.035 in. Bore Size, Flat Top, Right, For Chevrolet SB, Each

MANLEY Piston, 1.125 in. Compression Distance, 4.035 in. Bore Size, Flat Top, Right, For Chevrolet SB, Each

$159.88