Overview Reviews Product Description Cylinder Head - LS3 Mongoose - Assembled - 2.165 / 1.600 in Valves - 260 cc Intake - 69 cc Chamber - 1.270 in Springs - Aluminum - GM LS-Series - Pair Product Videos Custom Field Product Reviews Write a Review Write a Review × AIR FLOW RESEARCH LS3 12-Degr Cylinder Heads Fully CNC Ported Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details BRODIX | sku: BRO2208100 BBC 440cc SR20 Head CNC Ported Assembled MSRP: Now: $3,671.99 Add to Cart Quick view Details FRANKENSTEIN ENGINE DYNAMICS | sku: FED113002 M311 LS3 Cylinder Head Rect-Port Assembled MSRP: Now: $1,275.00 Add to Cart Quick view Details FRANKENSTEIN ENGINE DYNAMICS | sku: FED113001 M311 LS3 Cylinder Head Rect-Port Bare MSRP: Now: $1,000.99 Add to Cart Quick view Details EDELBROCK | sku: EDE61209 Edelbrock Cylinder Head SBC 23-Degree Victor E-Cnc 225 Solid Roller - 61209 MSRP: Now: $1,556.50 Add to Cart Quick view Details BRODIX | sku: BRO1008104 SBC 227cc Track 1 KC CNC Ported Heads 2.08/1.60 MSRP: Now: $3,310.99 Add to Cart
Quick view Details FRANKENSTEIN ENGINE DYNAMICS | sku: FED113002 M311 LS3 Cylinder Head Rect-Port Assembled MSRP: Now: $1,275.00 Add to Cart Quick view Details FRANKENSTEIN ENGINE DYNAMICS | sku: FED113001 M311 LS3 Cylinder Head Rect-Port Bare MSRP: Now: $1,000.99 Add to Cart Quick view Details EDELBROCK | sku: EDE61209 Edelbrock Cylinder Head SBC 23-Degree Victor E-Cnc 225 Solid Roller - 61209 MSRP: Now: $1,556.50 Add to Cart Quick view Details BRODIX | sku: BRO1008104 SBC 227cc Track 1 KC CNC Ported Heads 2.08/1.60 MSRP: Now: $3,310.99 Add to Cart
Quick view Details FRANKENSTEIN ENGINE DYNAMICS | sku: FED113001 M311 LS3 Cylinder Head Rect-Port Bare MSRP: Now: $1,000.99 Add to Cart Quick view Details EDELBROCK | sku: EDE61209 Edelbrock Cylinder Head SBC 23-Degree Victor E-Cnc 225 Solid Roller - 61209 MSRP: Now: $1,556.50 Add to Cart Quick view Details BRODIX | sku: BRO1008104 SBC 227cc Track 1 KC CNC Ported Heads 2.08/1.60 MSRP: Now: $3,310.99 Add to Cart
Quick view Details EDELBROCK | sku: EDE61209 Edelbrock Cylinder Head SBC 23-Degree Victor E-Cnc 225 Solid Roller - 61209 MSRP: Now: $1,556.50 Add to Cart Quick view Details BRODIX | sku: BRO1008104 SBC 227cc Track 1 KC CNC Ported Heads 2.08/1.60 MSRP: Now: $3,310.99 Add to Cart
Quick view Details BRODIX | sku: BRO1008104 SBC 227cc Track 1 KC CNC Ported Heads 2.08/1.60 MSRP: Now: $3,310.99 Add to Cart