MAHLE 930239410T Piston Kit Elite Drag Series 24/25 (584cid 4.610 x 1.215RCH, 4.375stroke, 6.385rod, 0.990pin, 47.1cc, 658g, 15.6CR, 2618) for CHEVROLET Big Block

BIG BLOCK CHEVY ELITE SPORTSMAN DRAG SERIES 24°/25°

• .043", .043", 3.0mm Rings sold separately. Available in STD or Low Tension
• Includes 0.180"W pin; optional 0.200"W pins available (PN 9887255)

Domes compatible with popular BBC cylinder heads and high lift, long duration cams. Dual coated and gas ported with advanced skirt profiles. Focused attention on drag race-specific key stress areas.

Designed as a shelf stock piston compatible with popular BBC cylinder heads and giving special attention to drag race specific key stress areas, MAHLE Motorsport new Elite Sporstman Drag Series PowerPak+ pistons are ready to get you to the winner's circle.

The Elite Sportsman Drag Series are loaded with custom features like light-weight, externally strutted, true slipper skirt 2618 alloy forgings, dual coatings, lateral gas ports, and advanced pin bore, profile, and ovality geometries. Grooved for a .043", .043", 3.0mm ring set (available to purchase separately), these kits come complete with pistons, wrist pins, and circlips.

Beyond the obvious power and strength advantages of their design, the Elite Sporstman Drag Series pistons are manufactured to exacting tolerances and will perform at their optimum performance level over a longer life cycle.

Introducing Thermal Barrier Coating

Thermal Barrier Coating is a ceramic based application that helps reduce heat transfer and protect the piston crown.

• Durable and resistant to Thermal Shock
• Designed to withstand the demands of the harshest engine environments

Specifications

• Bore, in: 4.61
• Bore, mm: 117.094
• Stroke, in: 4.375
• Rod, in: 6.385
• Compression height, in: 1.215R
• Piston Style: Dome, with INT valve relief
• Crown volume, cc: 47.1
• Piston weight, g: 658
• Piston material: Forged, 2618
• Pin diameter, in: 0.99
• Pin diameter, mm: 25.146
• Pin length, in: 2.93
• Pin length, mm: 74.42
• Pin wall thickness:0.18
• Pin material:Steel
• Pin mass, g: 171
• Pin style: Floating
• Pin Included: Yes
• Clip style: Round Wire
• Clips Included: Yes
• Piston ring thickness: .043, .043, 3.0mm
• Rings Included: No
• Top compression ring thickness: 0.043
• 2nd compression ring thickness: 0.043
• Oil ring thickness, mm: 3.0
• Package: Sold as a set of 8
• Lateral gas ports, Coatings: Phosphate + Grafal + TBC